85613895 has 16 divisors (see below), whose sum is σ = 152202720. Its totient is φ = 45660672.

The previous prime is 85613881. The next prime is 85613917. The reversal of 85613895 is 59831658.

85613895 is a `hidden beast` number, since 8 + 561 + 3 + 89 + 5 = 666.

It is not a de Polignac number, because 85613895 - 2⁷ = 85613767 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 85613895.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316954 + ... + 317223.

It is an arithmetic number, because the mean of its divisors is an integer number (9512670).

Almost surely, 2^85613895 is an apocalyptic number.

85613895 is a deficient number, since it is larger than the sum of its proper divisors (66588825).

85613895 is a wasteful number, since it uses less digits than its factorization.

85613895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634191 (or 634185 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 85613895 is about 9252.7776910504. Note that the first 3 decimals coincide. The cubic root of 85613895 is about 440.7389356789.

The spelling of 85613895 in words is "eighty-five million, six hundred thirteen thousand, eight hundred ninety-five".