90272091982 has 32 divisors (see below), whose sum is σ = 140659999200. Its totient is φ = 43398770688.

The previous prime is 90272091947. The next prime is 90272091991. The reversal of 90272091982 is 28919027209.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14822394 + ... + 14828482.

It is an arithmetic number, because the mean of its divisors is an integer number (4395624975).

Almost surely, 2^90272091982 is an apocalyptic number.

90272091982 is a deficient number, since it is larger than the sum of its proper divisors (50387907218).

90272091982 is a wasteful number, since it uses less digits than its factorization.

90272091982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7140.

The product of its (nonzero) digits is 326592, while the sum is 49.

The spelling of 90272091982 in words is "ninety billion, two hundred seventy-two million, ninety-one thousand, nine hundred eighty-two".