79755212856 has 64 divisors (see below), whose sum is σ = 222572718720. Its totient is φ = 23606190720.

The previous prime is 79755212821. The next prime is 79755212917. The reversal of 79755212856 is 65821255797.

It is a junction number, because it is equal to n+sod(n) for n = 79755212796 and 79755212805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3501475 + ... + 3524178.

It is an arithmetic number, because the mean of its divisors is an integer number (3477698730).

Almost surely, 2^79755212856 is an apocalyptic number.

It is an amenable number.

79755212856 is an abundant number, since it is smaller than the sum of its proper divisors (142817505864).

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

79755212856 is a wasteful number, since it uses less digits than its factorization.

79755212856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7025716 (or 7025712 counting only the distinct ones).

The product of its digits is 10584000, while the sum is 57.

The spelling of 79755212856 in words is "seventy-nine billion, seven hundred fifty-five million, two hundred twelve thousand, eight hundred fifty-six".