90214263808 has 44 divisors (see below), whose sum is σ = 188181365040. Its totient is φ = 43145940992.

The previous prime is 90214263731. The next prime is 90214263857. The reversal of 90214263808 is 80836241209.

It is a super-2 number, since 2×90214263808² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1891663 + ... + 1938766.

Almost surely, 2^90214263808 is an apocalyptic number.

It is an amenable number.

90214263808 is an abundant number, since it is smaller than the sum of its proper divisors (97967101232).

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

90214263808 is a wasteful number, since it uses less digits than its factorization.

90214263808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3830472 (or 3830454 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 90214263808 in words is "ninety billion, two hundred fourteen million, two hundred sixty-three thousand, eight hundred eight".