85308258 has 32 divisors (see below), whose sum is σ = 195757056. Its totient is φ = 24277968.

The previous prime is 85308221. The next prime is 85308263. The reversal of 85308258 is 85280358.

It is an unprimeable number.

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, 7185 + ... + 14907.

It is an arithmetic number, because the mean of its divisors is an integer number (6117408).

Almost surely, 2^85308258 is an apocalyptic number.

85308258 is an abundant number, since it is smaller than the sum of its proper divisors (110448798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85308258 is a wasteful number, since it uses less digits than its factorization.

85308258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7998.

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 85308258 is about 9236.2469650827. The cubic root of 85308258 is about 440.2138388955.

The spelling of 85308258 in words is "eighty-five million, three hundred eight thousand, two hundred fifty-eight".