90890082331 has 16 divisors (see below), whose sum is σ = 93027916800. Its totient is φ = 88778147040.

The previous prime is 90890082323. The next prime is 90890082337. The reversal of 90890082331 is 13328009809.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 90890082331 - 2³ = 90890082323 is a prime.

It is a super-2 number, since 2×90890082331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90890082337) by changing a digit.

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, 4197270 + ... + 4218868.

It is an arithmetic number, because the mean of its divisors is an integer number (5814244800).

Almost surely, 2^90890082331 is an apocalyptic number.

90890082331 is a deficient number, since it is larger than the sum of its proper divisors (2137834469).

90890082331 is a wasteful number, since it uses less digits than its factorization.

90890082331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22194.

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 90890082331 in words is "ninety billion, eight hundred ninety million, eighty-two thousand, three hundred thirty-one".