90796788 has 60 divisors (see below), whose sum is σ = 240764832. Its totient is φ = 29831760.

The previous prime is 90796781. The next prime is 90796789. The reversal of 90796788 is 88769709.

It is a super-2 number, since 2×90796788² = 16488113422233888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90796781) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21031 + ... + 24977.

Almost surely, 2^90796788 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 90796788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120382416).

90796788 is an abundant number, since it is smaller than the sum of its proper divisors (149968044).

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

90796788 is a wasteful number, since it uses less digits than its factorization.

90796788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4034 (or 4023 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The square root of 90796788 is about 9528.7348583115. The cubic root of 90796788 is about 449.4590833921.

The spelling of 90796788 in words is "ninety million, seven hundred ninety-six thousand, seven hundred eighty-eight".