90977925 has 24 divisors (see below), whose sum is σ = 151156000. Its totient is φ = 48283200.

The previous prime is 90977923. The next prime is 90977969. The reversal of 90977925 is 52977909.

It is not a de Polignac number, because 90977925 - 2¹ = 90977923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90977923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12951 + ... + 18699.

Almost surely, 2^90977925 is an apocalyptic number.

It is an amenable number.

90977925 is a deficient number, since it is larger than the sum of its proper divisors (60178075).

90977925 is a wasteful number, since it uses less digits than its factorization.

90977925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5973 (or 5968 counting only the distinct ones).

The product of its (nonzero) digits is 357210, while the sum is 48.

The square root of 90977925 is about 9538.2348996028. The cubic root of 90977925 is about 449.7577708692.

The spelling of 90977925 in words is "ninety million, nine hundred seventy-seven thousand, nine hundred twenty-five".