79223031009 has 24 divisors (see below), whose sum is σ = 123394034400. Its totient is φ = 48815213760.

The previous prime is 79223030977. The next prime is 79223031029. The reversal of 79223031009 is 90013032297.

It is not a de Polignac number, because 79223031009 - 2⁵ = 79223030977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79223031029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5642899 + ... + 5656920.

It is an arithmetic number, because the mean of its divisors is an integer number (5141418100).

Almost surely, 2^79223031009 is an apocalyptic number.

It is an amenable number.

79223031009 is a deficient number, since it is larger than the sum of its proper divisors (44171003391).

79223031009 is a wasteful number, since it uses less digits than its factorization.

79223031009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11299885 (or 11299882 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The spelling of 79223031009 in words is "seventy-nine billion, two hundred twenty-three million, thirty-one thousand, nine".