90239954976268 has 48 divisors (see below), whose sum is σ = 166883318784000. Its totient is φ = 42609017550528.

The previous prime is 90239954976263. The next prime is 90239954976289. The reversal of 90239954976268 is 86267945993209.

It is a Harshad number since it is a multiple of its sum of digits (79).

It is not an unprimeable number, because it can be changed into a prime (90239954976263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107723338 + ... + 108557806.

It is an arithmetic number, because the mean of its divisors is an integer number (3476735808000).

Almost surely, 2^{90239954976268} is an apocalyptic number.

It is an amenable number.

90239954976268 is a deficient number, since it is larger than the sum of its proper divisors (76643363807732).

90239954976268 is a wasteful number, since it uses less digits than its factorization.

90239954976268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849454 (or 849452 counting only the distinct ones).

The product of its (nonzero) digits is 3174474240, while the sum is 79.

The spelling of 90239954976268 in words is "ninety trillion, two hundred thirty-nine billion, nine hundred fifty-four million, nine hundred seventy-six thousand, two hundred sixty-eight".