79328578536 has 96 divisors (see below), whose sum is σ = 235989000000. Its totient is φ = 23961940992.

The previous prime is 79328578519. The next prime is 79328578601. The reversal of 79328578536 is 63587582397.

79328578536 is a `hidden beast` number, since 7 + 9 + 3 + 2 + 8 + 578 + 53 + 6 = 666.

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 23 ways as a sum of consecutive naturals, for example, 1229161 + ... + 1292088.

It is an arithmetic number, because the mean of its divisors is an integer number (2458218750).

Almost surely, 2^79328578536 is an apocalyptic number.

79328578536 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

79328578536 is an abundant number, since it is smaller than the sum of its proper divisors (156660421464).

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

79328578536 is a wasteful number, since it uses less digits than its factorization.

79328578536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521303 (or 2521296 counting only the distinct ones).

The product of its digits is 76204800, while the sum is 63.

The spelling of 79328578536 in words is "seventy-nine billion, three hundred twenty-eight million, five hundred seventy-eight thousand, five hundred thirty-six".