85897233 has 16 divisors (see below), whose sum is σ = 133953600. Its totient is φ = 54250560.

The previous prime is 85897181. The next prime is 85897261. The reversal of 85897233 is 33279858.

It is not a de Polignac number, because 85897233 - 2⁶ = 85897169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85897033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83208 + ... + 84233.

It is an arithmetic number, because the mean of its divisors is an integer number (8372100).

Almost surely, 2^85897233 is an apocalyptic number.

It is an amenable number.

85897233 is a deficient number, since it is larger than the sum of its proper divisors (48056367).

85897233 is a wasteful number, since it uses less digits than its factorization.

85897233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167469 (or 167463 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 85897233 is about 9268.0760139308. The cubic root of 85897233 is about 441.2246067666.

The spelling of 85897233 in words is "eighty-five million, eight hundred ninety-seven thousand, two hundred thirty-three".