79975539344 has 40 divisors (see below), whose sum is σ = 157964964000. Its totient is φ = 39213709056.

The previous prime is 79975539311. The next prime is 79975539353. The reversal of 79975539344 is 44393557997.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282527 + ... + 489665.

It is an arithmetic number, because the mean of its divisors is an integer number (3949124100).

Almost surely, 2^79975539344 is an apocalyptic number.

It is an amenable number.

79975539344 is a deficient number, since it is larger than the sum of its proper divisors (77989424656).

79975539344 is a wasteful number, since it uses less digits than its factorization.

79975539344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207615 (or 207609 counting only the distinct ones).

The product of its digits is 128595600, while the sum is 65.

The spelling of 79975539344 in words is "seventy-nine billion, nine hundred seventy-five million, five hundred thirty-nine thousand, three hundred forty-four".