90773888 has 32 divisors (see below), whose sum is σ = 181749720. Its totient is φ = 45158400.

The previous prime is 90773867. The next prime is 90773909. The reversal of 90773888 is 88837709.

It is an interprime number because it is at equal distance from previous prime (90773867) and next prime (90773909).

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25328 + ... + 28688.

Almost surely, 2^90773888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90773888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90874860).

90773888 is an abundant number, since it is smaller than the sum of its proper divisors (90975832).

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

90773888 is a wasteful number, since it uses less digits than its factorization.

90773888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3586 (or 3574 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 50.

The square root of 90773888 is about 9527.5331539701. The cubic root of 90773888 is about 449.4212939554.

The spelling of 90773888 in words is "ninety million, seven hundred seventy-three thousand, eight hundred eighty-eight".