85255258 has 8 divisors (see below), whose sum is σ = 139508640. Its totient is φ = 38752380.

The previous prime is 85255249. The next prime is 85255297.

It is a happy number.

85255258 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 85255258.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1937598 + ... + 1937641.

It is an arithmetic number, because the mean of its divisors is an integer number (17438580).

Almost surely, 2^85255258 is an apocalyptic number.

85255258 is a deficient number, since it is larger than the sum of its proper divisors (54253382).

85255258 is a wasteful number, since it uses less digits than its factorization.

85255258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3875252.

The product of its digits is 160000, while the sum is 40.

The square root of 85255258 is about 9233.3773885832. The cubic root of 85255258 is about 440.1226551992.

The spelling of 85255258 in words is "eighty-five million, two hundred fifty-five thousand, two hundred fifty-eight".