85387165 has 8 divisors (see below), whose sum is σ = 105998040. Its totient is φ = 65954112.

The previous prime is 85387153. The next prime is 85387193. The reversal of 85387165 is 56178358.

It can be written as a sum of positive squares in 4 ways, for example, as 120409 + 85266756 = 347^2 + 9234^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85387165 - 2¹¹ = 85385117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294294 + ... + 294583.

It is an arithmetic number, because the mean of its divisors is an integer number (13249755).

Almost surely, 2^85387165 is an apocalyptic number.

It is an amenable number.

85387165 is a deficient number, since it is larger than the sum of its proper divisors (20610875).

85387165 is a wasteful number, since it uses less digits than its factorization.

85387165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588911.

The product of its digits is 201600, while the sum is 43.

The square root of 85387165 is about 9240.5175720844. The cubic root of 85387165 is about 440.3495242710.

The spelling of 85387165 in words is "eighty-five million, three hundred eighty-seven thousand, one hundred sixty-five".