79394521107 has 24 divisors (see below), whose sum is σ = 116386320960. Its totient is φ = 48106102000.

The previous prime is 79394521093. The next prime is 79394521117. The reversal of 79394521107 is 70112549397.

It is not a de Polignac number, because 79394521107 - 2⁸ = 79394520851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79394521117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1591144 + ... + 1640282.

It is an arithmetic number, because the mean of its divisors is an integer number (4849430040).

Almost surely, 2^79394521107 is an apocalyptic number.

79394521107 is a deficient number, since it is larger than the sum of its proper divisors (36991799853).

79394521107 is a wasteful number, since it uses less digits than its factorization.

79394521107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53615 (or 53604 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 48.

The spelling of 79394521107 in words is "seventy-nine billion, three hundred ninety-four million, five hundred twenty-one thousand, one hundred seven".