79309780532 has 12 divisors (see below), whose sum is σ = 139851598656. Its totient is φ = 39352180920.

The previous prime is 79309780427. The next prime is 79309780577. The reversal of 79309780532 is 23508790397.

It is a congruent number.

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, 75676748 + ... + 75677795.

It is an arithmetic number, because the mean of its divisors is an integer number (11654299888).

Almost surely, 2^79309780532 is an apocalyptic number.

It is an amenable number.

79309780532 is a deficient number, since it is larger than the sum of its proper divisors (60541818124).

79309780532 is a wasteful number, since it uses less digits than its factorization.

79309780532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151354678 (or 151354676 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 53.

The spelling of 79309780532 in words is "seventy-nine billion, three hundred nine million, seven hundred eighty thousand, five hundred thirty-two".