90089678 has 16 divisors (see below), whose sum is σ = 162568320. Its totient is φ = 36577656.

The previous prime is 90089663. The next prime is 90089707. The reversal of 90089678 is 87698009.

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, 169076 + ... + 169607.

It is an arithmetic number, because the mean of its divisors is an integer number (10160520).

Almost surely, 2^90089678 is an apocalyptic number.

90089678 is a deficient number, since it is larger than the sum of its proper divisors (72478642).

90089678 is a wasteful number, since it uses less digits than its factorization.

90089678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338711.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 90089678 is about 9491.5582493076. The cubic root of 90089678 is about 448.2892709545.

The spelling of 90089678 in words is "ninety million, eighty-nine thousand, six hundred seventy-eight".