79345862069 has 4 divisors (see below), whose sum is σ = 79422823200. Its totient is φ = 79268900940.

The previous prime is 79345862051. The next prime is 79345862081. The reversal of 79345862069 is 96026854397.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 79345862069 - 2²⁴ = 79329084853 is a prime.

It is a super-2 number, since 2×79345862069² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79345861999 and 79345862017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79345862039) 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 3 ways as a sum of consecutive naturals, for example, 38479019 + ... + 38481080.

It is an arithmetic number, because the mean of its divisors is an integer number (19855705800).

Almost surely, 2^79345862069 is an apocalyptic number.

It is an amenable number.

79345862069 is a deficient number, since it is larger than the sum of its proper divisors (76961131).

79345862069 is a wasteful number, since it uses less digits than its factorization.

79345862069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76961130.

The product of its (nonzero) digits is 19595520, while the sum is 59.

The spelling of 79345862069 in words is "seventy-nine billion, three hundred forty-five million, eight hundred sixty-two thousand, sixty-nine".