80173868 has 6 divisors (see below), whose sum is σ = 140304276. Its totient is φ = 40086932.

The previous prime is 80173823. The next prime is 80173871. The reversal of 80173868 is 86837108.

It is a super-2 number, since 2×80173868² = 12855698220162848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10021730 + ... + 10021737.

It is an arithmetic number, because the mean of its divisors is an integer number (23384046).

Almost surely, 2^80173868 is an apocalyptic number.

It is an amenable number.

80173868 is a deficient number, since it is larger than the sum of its proper divisors (60130408).

80173868 is a wasteful number, since it uses less digits than its factorization.

80173868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20043471 (or 20043469 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 80173868 is about 8953.9861514300. The cubic root of 80173868 is about 431.1988681798.

The spelling of 80173868 in words is "eighty million, one hundred seventy-three thousand, eight hundred sixty-eight".