80686888 has 16 divisors (see below), whose sum is σ = 151519680. Its totient is φ = 40281648.

The previous prime is 80686867. The next prime is 80686897. The reversal of 80686888 is 88868608.

It is a happy number.

It is a super-3 number, since 3×80686888³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1920 + ... + 12847.

It is an arithmetic number, because the mean of its divisors is an integer number (9469980).

Almost surely, 2^80686888 is an apocalyptic number.

It is an amenable number.

80686888 is a deficient number, since it is larger than the sum of its proper divisors (70832792).

80686888 is a wasteful number, since it uses less digits than its factorization.

80686888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15456 (or 15452 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 52.

The square root of 80686888 is about 8982.5880457694. The cubic root of 80686888 is about 432.1166380299.

The spelling of 80686888 in words is "eighty million, six hundred eighty-six thousand, eight hundred eighty-eight".