88666632 has 24 divisors (see below), whose sum is σ = 240138990. Its totient is φ = 29555520.

The previous prime is 88666609. The next prime is 88666637. The reversal of 88666632 is 23666688.

It can be written as a sum of positive squares in only one way, i.e., 47527236 + 41139396 = 6894^2 + 6414^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (88666637) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 615669 + ... + 615812.

Almost surely, 2^88666632 is an apocalyptic number.

It is an amenable number.

88666632 is an abundant number, since it is smaller than the sum of its proper divisors (151472358).

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

88666632 is a wasteful number, since it uses less digits than its factorization.

88666632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231493 (or 1231486 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 88666632 is about 9416.2960871035. The cubic root of 88666632 is about 445.9163577254.

It can be divided in two parts, 88666 and 632, that added together give a palindrome (89298).

The spelling of 88666632 in words is "eighty-eight million, six hundred sixty-six thousand, six hundred thirty-two".