85854258 has 48 divisors (see below), whose sum is σ = 213123456. Its totient is φ = 24468480.

The previous prime is 85854227. The next prime is 85854271. The reversal of 85854258 is 85245858.

85854258 is a `hidden beast` number, since 8 + 58 + 542 + 58 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80235 + ... + 81297.

It is an arithmetic number, because the mean of its divisors is an integer number (4440072).

Almost surely, 2^85854258 is an apocalyptic number.

85854258 is an abundant number, since it is smaller than the sum of its proper divisors (127269198).

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

85854258 is a wasteful number, since it uses less digits than its factorization.

85854258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719 (or 1716 counting only the distinct ones).

The product of its digits is 512000, while the sum is 45.

The square root of 85854258 is about 9265.7572815178. The cubic root of 85854258 is about 441.1510118831.

Subtracting from 85854258 its reverse (85245858), we obtain a square (608400 = 780²).

The spelling of 85854258 in words is "eighty-five million, eight hundred fifty-four thousand, two hundred fifty-eight".