79259694122 has 12 divisors (see below), whose sum is σ = 138300078690. Its totient is φ = 33968440296.

The previous prime is 79259694121. The next prime is 79259694127. The reversal of 79259694122 is 22149695297.

It can be written as a sum of positive squares in only one way, i.e., 63669924241 + 15589769881 = 252329^2 + 124859^2 .

It is a super-2 number, since 2×79259694122² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79259694121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 404386097 + ... + 404386292.

Almost surely, 2^79259694122 is an apocalyptic number.

79259694122 is a deficient number, since it is larger than the sum of its proper divisors (59040384568).

79259694122 is a wasteful number, since it uses less digits than its factorization.

79259694122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808772405 (or 808772398 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 56.

The spelling of 79259694122 in words is "seventy-nine billion, two hundred fifty-nine million, six hundred ninety-four thousand, one hundred twenty-two".