79430944508 has 48 divisors (see below), whose sum is σ = 143659764864. Its totient is φ = 38399316480.

The previous prime is 79430944507. The next prime is 79430944561. The reversal of 79430944508 is 80544903497.

It is a self number, because there is not a number n which added to its sum of digits gives 79430944508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79430944507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46153088 + ... + 46154808.

It is an arithmetic number, because the mean of its divisors is an integer number (2992911768).

Almost surely, 2^79430944508 is an apocalyptic number.

It is an amenable number.

79430944508 is a deficient number, since it is larger than the sum of its proper divisors (64228820356).

79430944508 is a wasteful number, since it uses less digits than its factorization.

79430944508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3542 (or 3540 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 79430944508 in words is "seventy-nine billion, four hundred thirty million, nine hundred forty-four thousand, five hundred eight".