90159882 has 16 divisors (see below), whose sum is σ = 181077120. Its totient is φ = 29927072.

The previous prime is 90159877. The next prime is 90159887. The reversal of 90159882 is 28895109.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (90159877) and next prime (90159887).

It is not an unprimeable number, because it can be changed into a prime (90159887) 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, 30003 + ... + 32870.

It is an arithmetic number, because the mean of its divisors is an integer number (11317320).

Almost surely, 2^90159882 is an apocalyptic number.

90159882 is an abundant number, since it is smaller than the sum of its proper divisors (90917238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90159882 is a wasteful number, since it uses less digits than its factorization.

90159882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63117.

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 90159882 is about 9495.2557627480. The cubic root of 90159882 is about 448.4056865427.

The spelling of 90159882 in words is "ninety million, one hundred fifty-nine thousand, eight hundred eighty-two".