79811475911970 has 32 divisors (see below), whose sum is σ = 208960955115840. Its totient is φ = 19348236584640.

The previous prime is 79811475911969. The next prime is 79811475912043. The reversal of 79811475911970 is 7911957411897.

79811475911970 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 79811475911895 and 79811475911904.

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, 120926478325 + ... + 120926478984.

It is an arithmetic number, because the mean of its divisors is an integer number (6530029847370).

Almost surely, 2^{79811475911970} is an apocalyptic number.

79811475911970 is an abundant number, since it is smaller than the sum of its proper divisors (129149479203870).

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

79811475911970 is a wasteful number, since it uses less digits than its factorization.

79811475911970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241852957330.

The product of its (nonzero) digits is 40007520, while the sum is 69.

The spelling of 79811475911970 in words is "seventy-nine trillion, eight hundred eleven billion, four hundred seventy-five million, nine hundred eleven thousand, nine hundred seventy".