90581825948 has 48 divisors (see below), whose sum is σ = 163909337088. Its totient is φ = 43772400000.

The previous prime is 90581825903. The next prime is 90581825969. The reversal of 90581825948 is 84952818509.

It is a congruent number.

It is an unprimeable number.

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, 15638933 + ... + 15644723.

It is an arithmetic number, because the mean of its divisors is an integer number (3414777856).

Almost surely, 2^90581825948 is an apocalyptic number.

It is an amenable number.

90581825948 is a deficient number, since it is larger than the sum of its proper divisors (73327511140).

90581825948 is a wasteful number, since it uses less digits than its factorization.

90581825948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6714 (or 6712 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 59.

The spelling of 90581825948 in words is "ninety billion, five hundred eighty-one million, eight hundred twenty-five thousand, nine hundred forty-eight".