90789112 has 32 divisors (see below), whose sum is σ = 180694800. Its totient is φ = 42617344.

The previous prime is 90789089. The next prime is 90789113. The reversal of 90789112 is 21198709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90789113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89118 + ... + 90130.

Almost surely, 2^90789112 is an apocalyptic number.

It is an amenable number.

90789112 is a deficient number, since it is larger than the sum of its proper divisors (89905688).

90789112 is a wasteful number, since it uses less digits than its factorization.

90789112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695 (or 1691 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 90789112 is about 9528.3320681009. The cubic root of 90789112 is about 449.4464172130.

The spelling of 90789112 in words is "ninety million, seven hundred eighty-nine thousand, one hundred twelve".