80877591168 has 64 divisors (see below), whose sum is σ = 234361213920. Its totient is φ = 24508359680.

The previous prime is 80877591167. The next prime is 80877591173. The reversal of 80877591168 is 86119577808.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (80877591167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9569355 + ... + 9577802.

Almost surely, 2^80877591168 is an apocalyptic number.

80877591168 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

80877591168 is an abundant number, since it is smaller than the sum of its proper divisors (153483622752).

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

80877591168 is a wasteful number, since it uses less digits than its factorization.

80877591168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19147185 (or 19147173 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 60.

The spelling of 80877591168 in words is "eighty billion, eight hundred seventy-seven million, five hundred ninety-one thousand, one hundred sixty-eight".