79439717732 has 12 divisors (see below), whose sum is σ = 139952523900. Its totient is φ = 39453282336.

The previous prime is 79439717711. The next prime is 79439717821. The reversal of 79439717732 is 23771793497.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 47443809856 + 31995907876 = 217816^2 + 178874^2 .

It is a super-3 number, since 3×79439717732³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66643463 + ... + 66644654.

It is an arithmetic number, because the mean of its divisors is an integer number (11662710325).

Almost surely, 2^79439717732 is an apocalyptic number.

It is an amenable number.

79439717732 is a deficient number, since it is larger than the sum of its proper divisors (60512806168).

79439717732 is a wasteful number, since it uses less digits than its factorization.

79439717732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133288270 (or 133288268 counting only the distinct ones).

The product of its digits is 14002632, while the sum is 59.

The spelling of 79439717732 in words is "seventy-nine billion, four hundred thirty-nine million, seven hundred seventeen thousand, seven hundred thirty-two".