85680522 has 24 divisors (see below), whose sum is σ = 187483140. Its totient is φ = 28276800.

The previous prime is 85680509. The next prime is 85680533. The reversal of 85680522 is 22508658.

85680522 is a `hidden beast` number, since 8 + 56 + 80 + 522 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 84989961 + 690561 = 9219^2 + 831^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21747 + ... + 25382.

Almost surely, 2^85680522 is an apocalyptic number.

85680522 is an abundant number, since it is smaller than the sum of its proper divisors (101802618).

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

85680522 is a wasteful number, since it uses less digits than its factorization.

85680522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47238 (or 47235 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 85680522 is about 9256.3773691439. The cubic root of 85680522 is about 440.8532376030.

The spelling of 85680522 in words is "eighty-five million, six hundred eighty thousand, five hundred twenty-two".