79809092 has 12 divisors (see below), whose sum is σ = 152362896. Its totient is φ = 36276840.

The previous prime is 79809091. The next prime is 79809137. The reversal of 79809092 is 29090897.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 1813843 = 79809092 / (7 + 9 + 8 + 0 + 9 + 0 + 9 + 2).

It is not an unprimeable number, because it can be changed into a prime (79809091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 906878 + ... + 906965.

It is an arithmetic number, because the mean of its divisors is an integer number (12696908).

Almost surely, 2^79809092 is an apocalyptic number.

It is an amenable number.

79809092 is a deficient number, since it is larger than the sum of its proper divisors (72553804).

79809092 is a wasteful number, since it uses less digits than its factorization.

79809092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813858 (or 1813856 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 79809092 is about 8933.5934539244. The cubic root of 79809092 is about 430.5439159898.

The spelling of 79809092 in words is "seventy-nine million, eight hundred nine thousand, ninety-two".