85957318 has 4 divisors (see below), whose sum is σ = 128935980. Its totient is φ = 42978658.

The previous prime is 85957309. The next prime is 85957337. The reversal of 85957318 is 81375958.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81375958 = 2 ⋅40687979.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21489328 + ... + 21489331.

It is an arithmetic number, because the mean of its divisors is an integer number (32233995).

Almost surely, 2^85957318 is an apocalyptic number.

85957318 is a deficient number, since it is larger than the sum of its proper divisors (42978662).

85957318 is a wasteful number, since it uses less digits than its factorization.

85957318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42978661.

The product of its digits is 302400, while the sum is 46.

The square root of 85957318 is about 9271.3169506818. The cubic root of 85957318 is about 441.3274614628.

The spelling of 85957318 in words is "eighty-five million, nine hundred fifty-seven thousand, three hundred eighteen".