8869859264 has 112 divisors (see below), whose sum is σ = 21235416000. Its totient is φ = 3670023168.

The previous prime is 8869859261. The next prime is 8869859287. The reversal of 8869859264 is 4629589688.

It is a tau number, because it is divible by the number of its divisors (112).

It is a self number, because there is not a number n which added to its sum of digits gives 8869859264.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8869859261) 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, 629642 + ... + 643574.

Almost surely, 2^8869859264 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 8869859264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10617708000).

8869859264 is an abundant number, since it is smaller than the sum of its proper divisors (12365556736).

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

8869859264 is a wasteful number, since it uses less digits than its factorization.

8869859264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13995 (or 13971 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 65.

The square root of 8869859264 is about 94179.9302611761. The cubic root of 8869859264 is about 2070.0090444345.

The spelling of 8869859264 in words is "eight billion, eight hundred sixty-nine million, eight hundred fifty-nine thousand, two hundred sixty-four".