79722711 has 36 divisors (see below), whose sum is σ = 123996600. Its totient is φ = 51193296.

The previous prime is 79722691. The next prime is 79722739. The reversal of 79722711 is 11722797.

It is not a de Polignac number, because 79722711 - 2²² = 75528407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79722211) 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 35 ways as a sum of consecutive naturals, for example, 190060 + ... + 190478.

It is an arithmetic number, because the mean of its divisors is an integer number (3444350).

Almost surely, 2^79722711 is an apocalyptic number.

79722711 is a deficient number, since it is larger than the sum of its proper divisors (44273889).

79722711 is an frugal number, since it uses more digits than its factorization.

79722711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 451 counting only the distinct ones).

The product of its digits is 12348, while the sum is 36.

The square root of 79722711 is about 8928.7575283463. The cubic root of 79722711 is about 430.3885275125.

The spelling of 79722711 in words is "seventy-nine million, seven hundred twenty-two thousand, seven hundred eleven".