90857477287088 has 10 divisors (see below), whose sum is σ = 176036362243764. Its totient is φ = 45428738643536.

The previous prime is 90857477287043. The next prime is 90857477287111. The reversal of 90857477287088 is 88078277475809.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2839296165206 + ... + 2839296165237.

Almost surely, 2^{90857477287088} is an apocalyptic number.

It is an amenable number.

90857477287088 is a deficient number, since it is larger than the sum of its proper divisors (85178884956676).

90857477287088 is a wasteful number, since it uses less digits than its factorization.

90857477287088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5678592330451 (or 5678592330445 counting only the distinct ones).

The product of its (nonzero) digits is 3540418560, while the sum is 80.

The spelling of 90857477287088 in words is "ninety trillion, eight hundred fifty-seven billion, four hundred seventy-seven million, two hundred eighty-seven thousand, eighty-eight".