85186536 has 32 divisors (see below), whose sum is σ = 213429600. Its totient is φ = 28333760.

The previous prime is 85186447. The next prime is 85186537. The reversal of 85186536 is 63568158.

It is not an unprimeable number, because it can be changed into a prime (85186537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8170 + ... + 15398.

It is an arithmetic number, because the mean of its divisors is an integer number (6669675).

Almost surely, 2^85186536 is an apocalyptic number.

It is an amenable number.

85186536 is an abundant number, since it is smaller than the sum of its proper divisors (128243064).

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

85186536 is a wasteful number, since it uses less digits than its factorization.

85186536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7729 (or 7725 counting only the distinct ones).

The product of its digits is 172800, while the sum is 42.

The square root of 85186536 is about 9229.6552481661. The cubic root of 85186536 is about 440.0043663479.

The spelling of 85186536 in words is "eighty-five million, one hundred eighty-six thousand, five hundred thirty-six".