79152857828 has 24 divisors (see below), whose sum is σ = 154795614624. Its totient is φ = 35101044800.

The previous prime is 79152857809. The next prime is 79152857843. The reversal of 79152857828 is 82875825197.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21936350 + ... + 21939957.

It is an arithmetic number, because the mean of its divisors is an integer number (6449817276).

Almost surely, 2^79152857828 is an apocalyptic number.

It is an amenable number.

79152857828 is a deficient number, since it is larger than the sum of its proper divisors (75642756796).

79152857828 is a wasteful number, since it uses less digits than its factorization.

79152857828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43876363 (or 43876361 counting only the distinct ones).

The product of its digits is 22579200, while the sum is 62.

The spelling of 79152857828 in words is "seventy-nine billion, one hundred fifty-two million, eight hundred fifty-seven thousand, eight hundred twenty-eight".