79621933344 has 24 divisors (see below), whose sum is σ = 209007575280. Its totient is φ = 26540644416.

The previous prime is 79621933333. The next prime is 79621933379. The reversal of 79621933344 is 44333912697.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414697474 + ... + 414697665.

It is an arithmetic number, because the mean of its divisors is an integer number (8708648970).

Almost surely, 2^79621933344 is an apocalyptic number.

It is an amenable number.

79621933344 is an abundant number, since it is smaller than the sum of its proper divisors (129385641936).

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

79621933344 is a wasteful number, since it uses less digits than its factorization.

79621933344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829395152 (or 829395144 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 51.

The spelling of 79621933344 in words is "seventy-nine billion, six hundred twenty-one million, nine hundred thirty-three thousand, three hundred forty-four".