80866892 has 12 divisors (see below), whose sum is σ = 149841720. Its totient is φ = 38054976.

The previous prime is 80866871. The next prime is 80866897. The reversal of 80866892 is 29866808.

It is not an unprimeable number, because it can be changed into a prime (80866897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594542 + ... + 594677.

It is an arithmetic number, because the mean of its divisors is an integer number (12486810).

Almost surely, 2^80866892 is an apocalyptic number.

It is an amenable number.

80866892 is a deficient number, since it is larger than the sum of its proper divisors (68974828).

80866892 is a wasteful number, since it uses less digits than its factorization.

80866892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189240 (or 1189238 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 80866892 is about 8992.6020705911. The cubic root of 80866892 is about 432.4377350306.

The spelling of 80866892 in words is "eighty million, eight hundred sixty-six thousand, eight hundred ninety-two".