8664134448 has 80 divisors (see below), whose sum is σ = 23316761600. Its totient is φ = 2769189120.

The previous prime is 8664134447. The next prime is 8664134449. The reversal of 8664134448 is 8444314668.

It is an interprime number because it is at equal distance from previous prime (8664134447) and next prime (8664134449).

It is a Harshad number since it is a multiple of its sum of digits (48).

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

It is a junction number, because it is equal to n+sod(n) for n = 8664134397 and 8664134406.

It is not an unprimeable number, because it can be changed into a prime (8664134441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135483 + ... + 188901.

It is an arithmetic number, because the mean of its divisors is an integer number (291459520).

Almost surely, 2^8664134448 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 8664134448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11658380800).

8664134448 is an abundant number, since it is smaller than the sum of its proper divisors (14652627152).

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

8664134448 is a wasteful number, since it uses less digits than its factorization.

8664134448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53570 (or 53564 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 48.

The square root of 8664134448 is about 93081.3324356715. The cubic root of 8664134448 is about 2053.8799766918.

It can be divided in two parts, 866 and 4134448, that added together give a palindrome (4135314).

The spelling of 8664134448 in words is "eight billion, six hundred sixty-four million, one hundred thirty-four thousand, four hundred forty-eight".