85256248 has 32 divisors (see below), whose sum is σ = 199301760. Its totient is φ = 33216480.

The previous prime is 85256233. The next prime is 85256267. The reversal of 85256248 is 84265258.

It is a self number, because there is not a number n which added to its sum of digits gives 85256248.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68586 + ... + 69817.

It is an arithmetic number, because the mean of its divisors is an integer number (6228180).

Almost surely, 2^85256248 is an apocalyptic number.

85256248 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

85256248 is an abundant number, since it is smaller than the sum of its proper divisors (114045512).

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

85256248 is a wasteful number, since it uses less digits than its factorization.

85256248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138427 (or 138423 counting only the distinct ones).

The product of its digits is 153600, while the sum is 40.

The square root of 85256248 is about 9233.4309982801. The cubic root of 85256248 is about 440.1243587881.

The spelling of 85256248 in words is "eighty-five million, two hundred fifty-six thousand, two hundred forty-eight".