8889763264 has 56 divisors (see below), whose sum is σ = 18414703328. Its totient is φ = 4253783040.

The previous prime is 8889763261. The next prime is 8889763297. The reversal of 8889763264 is 4623679888.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8889763261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113677 + ... + 175219.

It is an arithmetic number, because the mean of its divisors is an integer number (328833988).

Almost surely, 2^8889763264 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 8889763264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9207351664).

8889763264 is an abundant number, since it is smaller than the sum of its proper divisors (9524940064).

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

8889763264 is a wasteful number, since it uses less digits than its factorization.

8889763264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61653 (or 61643 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 61.

The square root of 8889763264 is about 94285.5411184557. The cubic root of 8889763264 is about 2071.5562572448.

The spelling of 8889763264 in words is "eight billion, eight hundred eighty-nine million, seven hundred sixty-three thousand, two hundred sixty-four".