85757456 has 10 divisors (see below), whose sum is σ = 166155102. Its totient is φ = 42878720.

The previous prime is 85757443. The next prime is 85757461. The reversal of 85757456 is 65475758.

It can be written as a sum of positive squares in only one way, i.e., 77440000 + 8317456 = 8800^2 + 2884^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 85757456.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2679905 + ... + 2679936.

Almost surely, 2^85757456 is an apocalyptic number.

It is an amenable number.

85757456 is a deficient number, since it is larger than the sum of its proper divisors (80397646).

85757456 is a wasteful number, since it uses less digits than its factorization.

85757456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5359849 (or 5359843 counting only the distinct ones).

The product of its digits is 1176000, while the sum is 47.

The square root of 85757456 is about 9260.5321661339. The cubic root of 85757456 is about 440.9851480062.

The spelling of 85757456 in words is "eighty-five million, seven hundred fifty-seven thousand, four hundred fifty-six".