85495986 has 20 divisors (see below), whose sum is σ = 191574702. Its totient is φ = 28498608.

The previous prime is 85495951. The next prime is 85495987. The reversal of 85495986 is 68959458.

It is a happy number.

85495986 is a `hidden beast` number, since 8 + 5 + 49 + 598 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 83448225 + 2047761 = 9135^2 + 1431^2 .

It is a super-2 number, since 2×85495986² = 14619127244224392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (85495987) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 263715 + ... + 264038.

Almost surely, 2^85495986 is an apocalyptic number.

85495986 is an abundant number, since it is smaller than the sum of its proper divisors (106078716).

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

85495986 is a wasteful number, since it uses less digits than its factorization.

85495986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527767 (or 527758 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 54.

The square root of 85495986 is about 9246.4039496444. The cubic root of 85495986 is about 440.5365115198.

It can be divided in two parts, 8549 and 5986, that added together give a triangular number (14535 = T₁₇₀).

The spelling of 85495986 in words is "eighty-five million, four hundred ninety-five thousand, nine hundred eighty-six".