90738307984 has 15 divisors (see below), whose sum is σ = 175807806267. Its totient is φ = 45368551536.

The previous prime is 90738307931. The next prime is 90738308047. The reversal of 90738307984 is 48970383709.

The square root of 90738307984 is 301228.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1167259 + ... + 1242565.

Almost surely, 2^90738307984 is an apocalyptic number.

90738307984 is the 301228-th square number.

It is an amenable number.

90738307984 is a deficient number, since it is larger than the sum of its proper divisors (85069498283).

90738307984 is an frugal number, since it uses more digits than its factorization.

90738307984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150622 (or 75309 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 58.

The spelling of 90738307984 in words is "ninety billion, seven hundred thirty-eight million, three hundred seven thousand, nine hundred eighty-four".