85136775 has 24 divisors (see below), whose sum is σ = 144038400. Its totient is φ = 44348640.

The previous prime is 85136773. The next prime is 85136783. The reversal of 85136775 is 57763158.

It is not a de Polignac number, because 85136775 - 2¹ = 85136773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85136771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9975 + ... + 16424.

It is an arithmetic number, because the mean of its divisors is an integer number (6001600).

Almost surely, 2^85136775 is an apocalyptic number.

85136775 is a deficient number, since it is larger than the sum of its proper divisors (58901625).

85136775 is a wasteful number, since it uses less digits than its factorization.

85136775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26455 (or 26450 counting only the distinct ones).

The product of its digits is 176400, while the sum is 42.

The square root of 85136775 is about 9226.9591415590. The cubic root of 85136775 is about 439.9186747078.

The spelling of 85136775 in words is "eighty-five million, one hundred thirty-six thousand, seven hundred seventy-five".