79936426423 has 32 divisors (see below), whose sum is σ = 97602379776. Its totient is φ = 63976052448.

The previous prime is 79936426379. The next prime is 79936426463. The reversal of 79936426423 is 32462463997.

It is not a de Polignac number, because 79936426423 - 2²¹ = 79934329271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79936426463) 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, 22061790 + ... + 22065412.

It is an arithmetic number, because the mean of its divisors is an integer number (3050074368).

Almost surely, 2^79936426423 is an apocalyptic number.

79936426423 is a deficient number, since it is larger than the sum of its proper divisors (17665953353).

79936426423 is a wasteful number, since it uses less digits than its factorization.

79936426423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6883.

The product of its digits is 11757312, while the sum is 55.

The spelling of 79936426423 in words is "seventy-nine billion, nine hundred thirty-six million, four hundred twenty-six thousand, four hundred twenty-three".