80866808 has 32 divisors (see below), whose sum is σ = 165760560. Its totient is φ = 36679680.

The previous prime is 80866787. The next prime is 80866811.

80866808 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×80866808² = 13078881272217728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69560 + ... + 70712.

Almost surely, 2^80866808 is an apocalyptic number.

80866808 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

80866808 is an abundant number, since it is smaller than the sum of its proper divisors (84893752).

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

80866808 is a wasteful number, since it uses less digits than its factorization.

80866808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967 (or 1963 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 44.

The square root of 80866808 is about 8992.5974000841. The cubic root of 80866808 is about 432.4375852998.

The spelling of 80866808 in words is "eighty million, eight hundred sixty-six thousand, eight hundred eight".