90788925 has 48 divisors (see below), whose sum is σ = 164132352. Its totient is φ = 44083200.

The previous prime is 90788917. The next prime is 90788927. The reversal of 90788925 is 52988709.

It is a happy number.

It is not a de Polignac number, because 90788925 - 2³ = 90788917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90788927) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38377 + ... + 40673.

It is an arithmetic number, because the mean of its divisors is an integer number (3419424).

Almost surely, 2^90788925 is an apocalyptic number.

It is an amenable number.

90788925 is a deficient number, since it is larger than the sum of its proper divisors (73343427).

90788925 is a wasteful number, since it uses less digits than its factorization.

90788925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2358 (or 2353 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 90788925 is about 9528.3222552556. The cubic root of 90788925 is about 449.4461086351.

The spelling of 90788925 in words is "ninety million, seven hundred eighty-eight thousand, nine hundred twenty-five".