85256256 has 28 divisors (see below), whose sum is σ = 225574352. Its totient is φ = 28418688.

The previous prime is 85256233. The next prime is 85256267. The reversal of 85256256 is 65265258.

It is a happy number.

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, 221830 + ... + 222213.

Almost surely, 2^85256256 is an apocalyptic number.

It is an amenable number.

85256256 is an abundant number, since it is smaller than the sum of its proper divisors (140318096).

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

85256256 is a wasteful number, since it uses less digits than its factorization.

85256256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444058 (or 444048 counting only the distinct ones).

The product of its digits is 144000, while the sum is 39.

The square root of 85256256 is about 9233.4314314885. The cubic root of 85256256 is about 440.1243725544.

The spelling of 85256256 in words is "eighty-five million, two hundred fifty-six thousand, two hundred fifty-six".