90877906 has 16 divisors (see below), whose sum is σ = 156153024. Its totient is φ = 38857104.

The previous prime is 90877889. The next prime is 90877939. The reversal of 90877906 is 60977809.

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, 1125 + ... + 13528.

It is an arithmetic number, because the mean of its divisors is an integer number (9759564).

Almost surely, 2^90877906 is an apocalyptic number.

90877906 is a deficient number, since it is larger than the sum of its proper divisors (65275118).

90877906 is a wasteful number, since it uses less digits than its factorization.

90877906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15105.

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 90877906 is about 9532.9904017575. The cubic root of 90877906 is about 449.5928927134.

The spelling of 90877906 in words is "ninety million, eight hundred seventy-seven thousand, nine hundred six".