80892690 has 32 divisors (see below), whose sum is σ = 204361920. Its totient is φ = 20435904.

The previous prime is 80892689. The next prime is 80892727. The reversal of 80892690 is 9629808.

It is a super-2 number, since 2×80892690² = 13087254590872200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70389 + ... + 71528.

It is an arithmetic number, because the mean of its divisors is an integer number (6386310).

Almost surely, 2^80892690 is an apocalyptic number.

80892690 is an abundant number, since it is smaller than the sum of its proper divisors (123469230).

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

80892690 is a wasteful number, since it uses less digits than its factorization.

80892690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141946.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 80892690 is about 8994.0363574982. The cubic root of 80892690 is about 432.4837152923.

The spelling of 80892690 in words is "eighty million, eight hundred ninety-two thousand, six hundred ninety".