90232233985 has 32 divisors (see below), whose sum is σ = 111488804352. Its totient is φ = 70085084160.

The previous prime is 90232233977. The next prime is 90232233989. The reversal of 90232233985 is 58933223209.

It is not a de Polignac number, because 90232233985 - 2³ = 90232233977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90232233989) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6290892 + ... + 6305218.

It is an arithmetic number, because the mean of its divisors is an integer number (3484025136).

Almost surely, 2^90232233985 is an apocalyptic number.

It is an amenable number.

90232233985 is a deficient number, since it is larger than the sum of its proper divisors (21256570367).

90232233985 is a wasteful number, since it uses less digits than its factorization.

90232233985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14673.

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 90232233985 in words is "ninety billion, two hundred thirty-two million, two hundred thirty-three thousand, nine hundred eighty-five".