85864373015 has 8 divisors (see below), whose sum is σ = 103109360640. Its totient is φ = 68643423072.

The previous prime is 85864372987. The next prime is 85864373027. The reversal of 85864373015 is 51037346858.

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 85864373015 - 2³² = 81569405719 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, 6001559 + ... + 6015848.

It is an arithmetic number, because the mean of its divisors is an integer number (12888670080).

Almost surely, 2^85864373015 is an apocalyptic number.

85864373015 is a deficient number, since it is larger than the sum of its proper divisors (17244987625).

85864373015 is a wasteful number, since it uses less digits than its factorization.

85864373015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12018841.

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 85864373015 in words is "eighty-five billion, eight hundred sixty-four million, three hundred seventy-three thousand, fifteen".