808190901 has 12 divisors (see below), whose sum is σ = 1334156512. Its totient is φ = 461823336.

The previous prime is 808190881. The next prime is 808190923. The reversal of 808190901 is 109091808.

It is not a de Polignac number, because 808190901 - 2⁵ = 808190869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808170901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6414151 + ... + 6414276.

Almost surely, 2^808190901 is an apocalyptic number.

It is an amenable number.

808190901 is a deficient number, since it is larger than the sum of its proper divisors (525965611).

808190901 is a wasteful number, since it uses less digits than its factorization.

808190901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12828440 (or 12828437 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 36.

The square root of 808190901 is about 28428.6985456598. The cubic root of 808190901 is about 931.4752479111.

The spelling of 808190901 in words is "eight hundred eight million, one hundred ninety thousand, nine hundred one".