90325657487 has 16 divisors (see below), whose sum is σ = 103689600000. Its totient is φ = 77989358304.

The previous prime is 90325657483. The next prime is 90325657561. The reversal of 90325657487 is 78475652309.

It is not a de Polignac number, because 90325657487 - 2² = 90325657483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90325657483) 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 15 ways as a sum of consecutive naturals, for example, 2294987 + ... + 2334012.

It is an arithmetic number, because the mean of its divisors is an integer number (6480600000).

Almost surely, 2^90325657487 is an apocalyptic number.

90325657487 is a deficient number, since it is larger than the sum of its proper divisors (13363942513).

90325657487 is a wasteful number, since it uses less digits than its factorization.

90325657487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4629110.

The product of its (nonzero) digits is 12700800, while the sum is 56.

The spelling of 90325657487 in words is "ninety billion, three hundred twenty-five million, six hundred fifty-seven thousand, four hundred eighty-seven".