90607788 has 48 divisors (see below), whose sum is σ = 236396160. Its totient is φ = 30011472.

The previous prime is 90607771. The next prime is 90607813. The reversal of 90607788 is 88770609.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15031 + ... + 20177.

It is an arithmetic number, because the mean of its divisors is an integer number (4924920).

Almost surely, 2^90607788 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 90607788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118198080).

90607788 is an abundant number, since it is smaller than the sum of its proper divisors (145788372).

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

90607788 is a wasteful number, since it uses less digits than its factorization.

90607788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5323 (or 5315 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 90607788 is about 9518.8123208728. The cubic root of 90607788 is about 449.1470063591.

The spelling of 90607788 in words is "ninety million, six hundred seven thousand, seven hundred eighty-eight".