80777535108 has 48 divisors (see below), whose sum is σ = 192291986880. Its totient is φ = 26382754944.

The previous prime is 80777535049. The next prime is 80777535133. The reversal of 80777535108 is 80153577708.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397563 + ... + 565341.

It is an arithmetic number, because the mean of its divisors is an integer number (4006083060).

Almost surely, 2^80777535108 is an apocalyptic number.

It is an amenable number.

80777535108 is an abundant number, since it is smaller than the sum of its proper divisors (111514451772).

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

80777535108 is a wasteful number, since it uses less digits than its factorization.

80777535108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168596 (or 168594 counting only the distinct ones).

The product of its (nonzero) digits is 1646400, while the sum is 51.

The spelling of 80777535108 in words is "eighty billion, seven hundred seventy-seven million, five hundred thirty-five thousand, one hundred eight".