80908061886 has 24 divisors (see below), whose sum is σ = 185612613264. Its totient is φ = 25382921280.

The previous prime is 80908061867. The next prime is 80908061917. The reversal of 80908061886 is 68816080908.

It is a super-2 number, since 2×80908061886² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132202410 + ... + 132203021.

It is an arithmetic number, because the mean of its divisors is an integer number (7733858886).

Almost surely, 2^80908061886 is an apocalyptic number.

80908061886 is an abundant number, since it is smaller than the sum of its proper divisors (104704551378).

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

80908061886 is a wasteful number, since it uses less digits than its factorization.

80908061886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264405456 (or 264405453 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 54.

The spelling of 80908061886 in words is "eighty billion, nine hundred eight million, sixty-one thousand, eight hundred eighty-six".