90910227736 has 32 divisors (see below), whose sum is σ = 171590262480. Its totient is φ = 45153820800.

The previous prime is 90910227679. The next prime is 90910227739. The reversal of 90910227736 is 63772201909.

It is a super-2 number, since 2×90910227736² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90910227739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 671526 + ... + 795466.

Almost surely, 2^90910227736 is an apocalyptic number.

It is an amenable number.

90910227736 is a deficient number, since it is larger than the sum of its proper divisors (80680034744).

90910227736 is a wasteful number, since it uses less digits than its factorization.

90910227736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124555 (or 124551 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 46.

The spelling of 90910227736 in words is "ninety billion, nine hundred ten million, two hundred twenty-seven thousand, seven hundred thirty-six".