88634664 has 48 divisors (see below), whose sum is σ = 241612020. Its totient is φ = 29352960.

The previous prime is 88634641. The next prime is 88634669. The reversal of 88634664 is 46643688.

88634664 is a `hidden beast` number, since 8 + 8 + 634 + 6 + 6 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 85710564 + 2924100 = 9258^2 + 1710^2 .

It is a super-2 number, since 2×88634664² = 15712207324785792, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (88634669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7384 + ... + 15224.

Almost surely, 2^88634664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88634664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120806010).

88634664 is an abundant number, since it is smaller than the sum of its proper divisors (152977356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

88634664 is a wasteful number, since it uses less digits than its factorization.

88634664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8010 (or 8003 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 88634664 is about 9414.5984513414. The cubic root of 88634664 is about 445.8627608336.

It can be divided in two parts, 88634 and 664, that added together give a palindrome (89298).

The spelling of 88634664 in words is "eighty-eight million, six hundred thirty-four thousand, six hundred sixty-four".