79877966608 has 80 divisors (see below), whose sum is σ = 173142168192. Its totient is φ = 35383424000.

The previous prime is 79877966563. The next prime is 79877966621. The reversal of 79877966608 is 80666977897.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7087698 + ... + 7098958.

Almost surely, 2^79877966608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79877966608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86571084096).

79877966608 is an abundant number, since it is smaller than the sum of its proper divisors (93264201584).

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

79877966608 is a wasteful number, since it uses less digits than its factorization.

79877966608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12304 (or 12298 counting only the distinct ones).

The product of its (nonzero) digits is 384072192, while the sum is 73.

The spelling of 79877966608 in words is "seventy-nine billion, eight hundred seventy-seven million, nine hundred sixty-six thousand, six hundred eight".