90668856 has 64 divisors (see below), whose sum is σ = 231137280. Its totient is φ = 29635200.

The previous prime is 90668843. The next prime is 90668863. The reversal of 90668856 is 65886609.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460150 + ... + 460346.

It is an arithmetic number, because the mean of its divisors is an integer number (3611520).

Almost surely, 2^90668856 is an apocalyptic number.

It is an amenable number.

90668856 is an abundant number, since it is smaller than the sum of its proper divisors (140468424).

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

90668856 is a wasteful number, since it uses less digits than its factorization.

90668856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 90668856 is about 9522.0195336914. The cubic root of 90668856 is about 449.2478893339.

The spelling of 90668856 in words is "ninety million, six hundred sixty-eight thousand, eight hundred fifty-six".