79984904391184 has 405 divisors, whose sum is σ = 182166974018631. Its totient is φ = 33999335884800.

The previous prime is 79984904391109. The next prime is 79984904391229. The reversal of 79984904391184 is 48119340948997.

The square root of 79984904391184 is 8943428.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 722207629584 + 79262696761600 = 849828^2 + 8902960^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79984904391184.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 529701353509 + ... + 529701353659.

Almost surely, 2^{79984904391184} is an apocalyptic number.

79984904391184 is the 8943428-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79984904391184

79984904391184 is an abundant number, since it is smaller than the sum of its proper divisors (102182069627447).

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

79984904391184 is a wasteful number, since it uses less digits than its factorization.

79984904391184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 564350976, while the sum is 76.

The spelling of 79984904391184 in words is "seventy-nine trillion, nine hundred eighty-four billion, nine hundred four million, three hundred ninety-one thousand, one hundred eighty-four".