80836089966 has 32 divisors (see below), whose sum is σ = 180144681120. Its totient is φ = 26869024512.

The previous prime is 80836089947. The next prime is 80836089973. The reversal of 80836089966 is 66998063808.

It is a congruent number.

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, 2101285 + ... + 2139408.

It is an arithmetic number, because the mean of its divisors is an integer number (5629521285).

Almost surely, 2^80836089966 is an apocalyptic number.

80836089966 is an abundant number, since it is smaller than the sum of its proper divisors (99308591154).

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

80836089966 is a wasteful number, since it uses less digits than its factorization.

80836089966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4241057 (or 4241051 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 63.

The spelling of 80836089966 in words is "eighty billion, eight hundred thirty-six million, eighty-nine thousand, nine hundred sixty-six".