90885443192 has 16 divisors (see below), whose sum is σ = 172567298400. Its totient is φ = 44867496960.

The previous prime is 90885443189. The next prime is 90885443261. The reversal of 90885443192 is 29134458809.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71902409 + ... + 71903672.

It is an arithmetic number, because the mean of its divisors is an integer number (10785456150).

Almost surely, 2^90885443192 is an apocalyptic number.

It is an amenable number.

90885443192 is a deficient number, since it is larger than the sum of its proper divisors (81681855208).

90885443192 is a wasteful number, since it uses less digits than its factorization.

90885443192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143806166 (or 143806162 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 53.

The spelling of 90885443192 in words is "ninety billion, eight hundred eighty-five million, four hundred forty-three thousand, one hundred ninety-two".