8265937728 has 56 divisors (see below), whose sum is σ = 21877020000. Its totient is φ = 2754465280.

The previous prime is 8265937721. The next prime is 8265937733. The reversal of 8265937728 is 8277395628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8265937721) 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, 1098523 + ... + 1106021.

Almost surely, 2^8265937728 is an apocalyptic number.

It is an amenable number.

8265937728 is an abundant number, since it is smaller than the sum of its proper divisors (13611082272).

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

8265937728 is a wasteful number, since it uses less digits than its factorization.

8265937728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13255 (or 13245 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 57.

The square root of 8265937728 is about 90917.2025966483. The cubic root of 8265937728 is about 2021.9203487581.

The spelling of 8265937728 in words is "eight billion, two hundred sixty-five million, nine hundred thirty-seven thousand, seven hundred twenty-eight".