28807396795 has 16 divisors (see below), whose sum is σ = 34898314752. Its totient is φ = 22826567680.

The previous prime is 28807396771. The next prime is 28807396811. The reversal of 28807396795 is 59769370882.

It is a de Polignac number, because none of the positive numbers 2^k-28807396795 is a prime.

It is a super-2 number, since 2×28807396795² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 861030 + ... + 893860.

It is an arithmetic number, because the mean of its divisors is an integer number (2181144672).

Almost surely, 2^28807396795 is an apocalyptic number.

28807396795 is a deficient number, since it is larger than the sum of its proper divisors (6090917957).

28807396795 is a wasteful number, since it uses less digits than its factorization.

28807396795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34502.

The product of its (nonzero) digits is 45722880, while the sum is 64.

The spelling of 28807396795 in words is "twenty-eight billion, eight hundred seven million, three hundred ninety-six thousand, seven hundred ninety-five".