85752244 has 24 divisors (see below), whose sum is σ = 158659200. Its totient is φ = 40440960.

The previous prime is 85752239. The next prime is 85752281. The reversal of 85752244 is 44225758.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15804 + ... + 20524.

It is an arithmetic number, because the mean of its divisors is an integer number (6610800).

Almost surely, 2^85752244 is an apocalyptic number.

It is an amenable number.

85752244 is a deficient number, since it is larger than the sum of its proper divisors (72906956).

85752244 is a wasteful number, since it uses less digits than its factorization.

85752244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4983 (or 4981 counting only the distinct ones).

The product of its digits is 89600, while the sum is 37.

The square root of 85752244 is about 9260.2507525444. The cubic root of 85752244 is about 440.9762140458.

The spelling of 85752244 in words is "eighty-five million, seven hundred fifty-two thousand, two hundred forty-four".