79929144624 has 320 divisors, whose sum is σ = 251961270272. Its totient is φ = 21349785600.

The previous prime is 79929144611. The next prime is 79929144641. The reversal of 79929144624 is 42644192997.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 60505884 + ... + 60507204.

Almost surely, 2^79929144624 is an apocalyptic number.

79929144624 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79929144624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125980635136).

79929144624 is an abundant number, since it is smaller than the sum of its proper divisors (172032125648).

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

79929144624 is a wasteful number, since it uses less digits than its factorization.

79929144624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564 (or 1558 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 57.

The spelling of 79929144624 in words is "seventy-nine billion, nine hundred twenty-nine million, one hundred forty-four thousand, six hundred twenty-four".