85564115 has 32 divisors (see below), whose sum is σ = 126959616. Its totient is φ = 53907840.

The previous prime is 85564099. The next prime is 85564139. The reversal of 85564115 is 51146558.

It is a happy number.

It is not a de Polignac number, because 85564115 - 2⁴ = 85564099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174020 + ... + 174510.

It is an arithmetic number, because the mean of its divisors is an integer number (3967488).

Almost surely, 2^85564115 is an apocalyptic number.

85564115 is a deficient number, since it is larger than the sum of its proper divisors (41395501).

85564115 is a wasteful number, since it uses less digits than its factorization.

85564115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899.

The product of its digits is 24000, while the sum is 35.

The square root of 85564115 is about 9250.0872968854. The cubic root of 85564115 is about 440.6534969079.

The spelling of 85564115 in words is "eighty-five million, five hundred sixty-four thousand, one hundred fifteen".