90611975 has 18 divisors (see below), whose sum is σ = 114122160. Its totient is φ = 71369200.

The previous prime is 90611953. The next prime is 90611981. The reversal of 90611975 is 57911609.

It is not a de Polignac number, because 90611975 - 2¹⁰ = 90610951 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 125666 + ... + 126384.

It is an arithmetic number, because the mean of its divisors is an integer number (6340120).

Almost surely, 2^90611975 is an apocalyptic number.

90611975 is a deficient number, since it is larger than the sum of its proper divisors (23510185).

90611975 is an equidigital number, since it uses as much as digits as its factorization.

90611975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871 (or 795 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 38.

The square root of 90611975 is about 9519.0322512323. The cubic root of 90611975 is about 449.1539246369.

The spelling of 90611975 in words is "ninety million, six hundred eleven thousand, nine hundred seventy-five".