79023986520 has 64 divisors (see below), whose sum is σ = 237095532000. Its totient is φ = 21070967808.

The previous prime is 79023986507. The next prime is 79023986527. The reversal of 79023986520 is 2568932097.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79023986527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1462546 + ... + 1515614.

Almost surely, 2^79023986520 is an apocalyptic number.

It is an amenable number.

79023986520 is an abundant number, since it is smaller than the sum of its proper divisors (158071545480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79023986520 is a wasteful number, since it uses less digits than its factorization.

79023986520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65492 (or 65488 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 79023986520 in words is "seventy-nine billion, twenty-three million, nine hundred eighty-six thousand, five hundred twenty".