79022575826 has 4 divisors (see below), whose sum is σ = 118533863742. Its totient is φ = 39511287912.

The previous prime is 79022575823. The next prime is 79022575831. The reversal of 79022575826 is 62857522097.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62857522097 = 133597 ⋅470501.

It can be written as a sum of positive squares in only one way, i.e., 51150607225 + 27871968601 = 226165^2 + 166949^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (79022575823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19755643955 + ... + 19755643958.

Almost surely, 2^79022575826 is an apocalyptic number.

79022575826 is a deficient number, since it is larger than the sum of its proper divisors (39511287916).

79022575826 is a wasteful number, since it uses less digits than its factorization.

79022575826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39511287915.

The product of its (nonzero) digits is 4233600, while the sum is 53.

The spelling of 79022575826 in words is "seventy-nine billion, twenty-two million, five hundred seventy-five thousand, eight hundred twenty-six".