79629890613 has 32 divisors (see below), whose sum is σ = 135180729600. Its totient is φ = 40554210816.

The previous prime is 79629890567. The next prime is 79629890647. The reversal of 79629890613 is 31609892697.

It is not a de Polignac number, because 79629890613 - 2¹⁴ = 79629874229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79629890653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5021128 + ... + 5036961.

It is an arithmetic number, because the mean of its divisors is an integer number (4224397800).

Almost surely, 2^79629890613 is an apocalyptic number.

It is an amenable number.

79629890613 is a deficient number, since it is larger than the sum of its proper divisors (55550838987).

79629890613 is a wasteful number, since it uses less digits than its factorization.

79629890613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10058141.

The product of its (nonzero) digits is 8817984, while the sum is 60.

The spelling of 79629890613 in words is "seventy-nine billion, six hundred twenty-nine million, eight hundred ninety thousand, six hundred thirteen".