90677904 has 40 divisors (see below), whose sum is σ = 236538432. Its totient is φ = 29930880.

The previous prime is 90677869. The next prime is 90677911. The reversal of 90677904 is 40977609.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4227 + ... + 14114.

Almost surely, 2^90677904 is an apocalyptic number.

It is an amenable number.

90677904 is an abundant number, since it is smaller than the sum of its proper divisors (145860528).

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

90677904 is a wasteful number, since it uses less digits than its factorization.

90677904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18455 (or 18449 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 90677904 is about 9522.4946311353. The cubic root of 90677904 is about 449.2628325749.

The spelling of 90677904 in words is "ninety million, six hundred seventy-seven thousand, nine hundred four".