85756122 has 12 divisors (see below), whose sum is σ = 185804970. Its totient is φ = 28585368.

The previous prime is 85756117. The next prime is 85756127. The reversal of 85756122 is 22165758.

It is a happy number.

85756122 is a `hidden beast` number, since 8 + 575 + 61 + 22 = 666.

It is an interprime number because it is at equal distance from previous prime (85756117) and next prime (85756127).

It can be written as a sum of positive squares in only one way, i.e., 61638201 + 24117921 = 7851^2 + 4911^2 .

It is a super-2 number, since 2×85756122² = 14708224920957768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85756127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2382097 + ... + 2382132.

Almost surely, 2^85756122 is an apocalyptic number.

85756122 is an abundant number, since it is smaller than the sum of its proper divisors (100048848).

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

85756122 is a wasteful number, since it uses less digits than its factorization.

85756122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4764237 (or 4764234 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 85756122 is about 9260.4601397555. The cubic root of 85756122 is about 440.9828614130.

The spelling of 85756122 in words is "eighty-five million, seven hundred fifty-six thousand, one hundred twenty-two".