80682870 has 32 divisors (see below), whose sum is σ = 196817760. Its totient is φ = 21162240.

The previous prime is 80682859. The next prime is 80682971. The reversal of 80682870 is 7828608.

It is a super-2 number, since 2×80682870² = 13019451022873800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20215 + ... + 23874.

It is an arithmetic number, because the mean of its divisors is an integer number (6150555).

Almost surely, 2^80682870 is an apocalyptic number.

80682870 is an abundant number, since it is smaller than the sum of its proper divisors (116134890).

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

80682870 is a wasteful number, since it uses less digits than its factorization.

80682870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44160.

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 80682870 is about 8982.3643880662. The cubic root of 80682870 is about 432.1094651442.

The spelling of 80682870 in words is "eighty million, six hundred eighty-two thousand, eight hundred seventy".