85817165 has 8 divisors (see below), whose sum is σ = 117692160. Its totient is φ = 58846032.

The previous prime is 85817131. The next prime is 85817191. The reversal of 85817165 is 56171858.

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

It is not a de Polignac number, because 85817165 - 2⁸ = 85816909 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, 1225925 + ... + 1225994.

It is an arithmetic number, because the mean of its divisors is an integer number (14711520).

Almost surely, 2^85817165 is an apocalyptic number.

It is an amenable number.

85817165 is a deficient number, since it is larger than the sum of its proper divisors (31874995).

85817165 is a wasteful number, since it uses less digits than its factorization.

85817165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451931.

The product of its digits is 67200, while the sum is 41.

The square root of 85817165 is about 9263.7554479811. The cubic root of 85817165 is about 441.0874702019.

The spelling of 85817165 in words is "eighty-five million, eight hundred seventeen thousand, one hundred sixty-five".