90875183 has 24 divisors (see below), whose sum is σ = 114204000. Its totient is φ = 70737408.

The previous prime is 90875131. The next prime is 90875227. The reversal of 90875183 is 38157809.

It is a happy number.

It is not a de Polignac number, because 90875183 - 2¹² = 90871087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90875183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90875683) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57893 + ... + 59441.

It is an arithmetic number, because the mean of its divisors is an integer number (4758500).

Almost surely, 2^90875183 is an apocalyptic number.

90875183 is a deficient number, since it is larger than the sum of its proper divisors (23328817).

90875183 is a wasteful number, since it uses less digits than its factorization.

90875183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619 (or 1602 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 90875183 is about 9532.8475808648. The cubic root of 90875183 is about 449.5884022429.

The spelling of 90875183 in words is "ninety million, eight hundred seventy-five thousand, one hundred eighty-three".