90333875 has 16 divisors (see below), whose sum is σ = 113479392. Its totient is φ = 71791200.

The previous prime is 90333851. The next prime is 90333877. The reversal of 90333875 is 57833309.

It is not a de Polignac number, because 90333875 - 2¹⁸ = 90071731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90333877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17324 + ... + 21926.

It is an arithmetic number, because the mean of its divisors is an integer number (7092462).

Almost surely, 2^90333875 is an apocalyptic number.

90333875 is a deficient number, since it is larger than the sum of its proper divisors (23145517).

90333875 is a wasteful number, since it uses less digits than its factorization.

90333875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4775 (or 4765 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 90333875 is about 9504.4134484985. The cubic root of 90333875 is about 448.6939496985.

The spelling of 90333875 in words is "ninety million, three hundred thirty-three thousand, eight hundred seventy-five".