8937992728 has 64 divisors (see below), whose sum is σ = 19621704960. Its totient is φ = 3737010816.

The previous prime is 8937992719. The next prime is 8937992729. The reversal of 8937992728 is 8272997398.

It is a self number, because there is not a number n which added to its sum of digits gives 8937992728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8937992729) 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, 2688075 + ... + 2691397.

It is an arithmetic number, because the mean of its divisors is an integer number (306589140).

Almost surely, 2^8937992728 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 8937992728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9810852480).

8937992728 is an abundant number, since it is smaller than the sum of its proper divisors (10683712232).

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

8937992728 is a wasteful number, since it uses less digits than its factorization.

8937992728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4496 (or 4492 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 64.

The square root of 8937992728 is about 94540.9579388743. The cubic root of 8937992728 is about 2075.2957610447.

The spelling of 8937992728 in words is "eight billion, nine hundred thirty-seven million, nine hundred ninety-two thousand, seven hundred twenty-eight".