28792356651 has 24 divisors (see below), whose sum is σ = 42499891200. Its totient is φ = 18774976176.

The previous prime is 28792356647. The next prime is 28792356679. The reversal of 28792356651 is 15665329782.

28792356651 is a `hidden beast` number, since 2 + 8 + 7 + 9 + 23 + 566 + 51 = 666.

It is not a de Polignac number, because 28792356651 - 2² = 28792356647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28792356601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 698646 + ... + 738708.

It is an arithmetic number, because the mean of its divisors is an integer number (1770828800).

Almost surely, 2^28792356651 is an apocalyptic number.

28792356651 is a deficient number, since it is larger than the sum of its proper divisors (13707534549).

28792356651 is a wasteful number, since it uses less digits than its factorization.

28792356651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41815 (or 41812 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The spelling of 28792356651 in words is "twenty-eight billion, seven hundred ninety-two million, three hundred fifty-six thousand, six hundred fifty-one".