85718698165 has 8 divisors (see below), whose sum is σ = 102993144480. Its totient is φ = 68487820752.

The previous prime is 85718698157. The next prime is 85718698181. The reversal of 85718698165 is 56189681758.

It is a happy number.

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 85718698165 - 2³ = 85718698157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85718698097 and 85718698106.

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, 10887895 + ... + 10895764.

It is an arithmetic number, because the mean of its divisors is an integer number (12874143060).

Almost surely, 2^85718698165 is an apocalyptic number.

It is an amenable number.

85718698165 is a deficient number, since it is larger than the sum of its proper divisors (17274446315).

85718698165 is a wasteful number, since it uses less digits than its factorization.

85718698165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21784451.

The product of its digits is 29030400, while the sum is 64.

The spelling of 85718698165 in words is "eighty-five billion, seven hundred eighteen million, six hundred ninety-eight thousand, one hundred sixty-five".