90783545925 has 12 divisors (see below), whose sum is σ = 150095462720. Its totient is φ = 48417891120.

The previous prime is 90783545921. The next prime is 90783545927. The reversal of 90783545925 is 52954538709.

It is a happy number.

It is not a de Polignac number, because 90783545925 - 2² = 90783545921 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90783545921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 605223565 + ... + 605223714.

Almost surely, 2^90783545925 is an apocalyptic number.

It is an amenable number.

90783545925 is a deficient number, since it is larger than the sum of its proper divisors (59311916795).

90783545925 is a wasteful number, since it uses less digits than its factorization.

90783545925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210447292 (or 1210447287 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 57.

The spelling of 90783545925 in words is "ninety billion, seven hundred eighty-three million, five hundred forty-five thousand, nine hundred twenty-five".