79809768101 has 32 divisors (see below), whose sum is σ = 95651297280. Its totient is φ = 65149156800.

The previous prime is 79809768061. The next prime is 79809768127. The reversal of 79809768101 is 10186790897.

It is not a de Polignac number, because 79809768101 - 2²² = 79805573797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79809768191) 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, 4432046 + ... + 4450016.

It is an arithmetic number, because the mean of its divisors is an integer number (2989103040).

Almost surely, 2^79809768101 is an apocalyptic number.

It is an amenable number.

79809768101 is a deficient number, since it is larger than the sum of its proper divisors (15841529179).

79809768101 is a wasteful number, since it uses less digits than its factorization.

79809768101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18305.

The product of its (nonzero) digits is 1524096, while the sum is 56.

The spelling of 79809768101 in words is "seventy-nine billion, eight hundred nine million, seven hundred sixty-eight thousand, one hundred one".