79384976690 has 32 divisors (see below), whose sum is σ = 144571811904. Its totient is φ = 31382326080.

The previous prime is 79384976683. The next prime is 79384976743. The reversal of 79384976690 is 9667948397.

It is a super-2 number, since 2×79384976690² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 79384976690.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362357 + ... + 538583.

It is an arithmetic number, because the mean of its divisors is an integer number (4517869122).

Almost surely, 2^79384976690 is an apocalyptic number.

79384976690 is a deficient number, since it is larger than the sum of its proper divisors (65186835214).

79384976690 is a wasteful number, since it uses less digits than its factorization.

79384976690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176762.

The product of its (nonzero) digits is 123451776, while the sum is 68.

The spelling of 79384976690 in words is "seventy-nine billion, three hundred eighty-four million, nine hundred seventy-six thousand, six hundred ninety".