90294904325 has 12 divisors (see below), whose sum is σ = 112244909988. Its totient is φ = 72055776000.

The previous prime is 90294904307. The next prime is 90294904327. The reversal of 90294904325 is 52340949209.

It can be written as a sum of positive squares in 6 ways, for example, as 23937659524 + 66357244801 = 154718^2 + 257599^2 .

It is not a de Polignac number, because 90294904325 - 2⁶ = 90294904261 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90294904325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90294904327) 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, 4493462 + ... + 4513511.

It is an arithmetic number, because the mean of its divisors is an integer number (9353742499).

Almost surely, 2^90294904325 is an apocalyptic number.

It is an amenable number.

90294904325 is a deficient number, since it is larger than the sum of its proper divisors (21950005663).

90294904325 is a wasteful number, since it uses less digits than its factorization.

90294904325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9007384 (or 9007379 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 90294904325 in words is "ninety billion, two hundred ninety-four million, nine hundred four thousand, three hundred twenty-five".