80899169886 has 48 divisors (see below), whose sum is σ = 175611691008. Its totient is φ = 26915658000.

The previous prime is 80899169837. The next prime is 80899169927. The reversal of 80899169886 is 68896199808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38762335 + ... + 38764421.

It is an arithmetic number, because the mean of its divisors is an integer number (3658576896).

Almost surely, 2^80899169886 is an apocalyptic number.

80899169886 is an abundant number, since it is smaller than the sum of its proper divisors (94712521122).

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

80899169886 is a wasteful number, since it uses less digits than its factorization.

80899169886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5117 (or 5114 counting only the distinct ones).

The product of its (nonzero) digits is 107495424, while the sum is 72.

The spelling of 80899169886 in words is "eighty billion, eight hundred ninety-nine million, one hundred sixty-nine thousand, eight hundred eighty-six".