85386858999 has 32 divisors (see below), whose sum is σ = 123356190720. Its totient is φ = 52225354368.

The previous prime is 85386858959. The next prime is 85386859031. The reversal of 85386858999 is 99985868358.

It is not a de Polignac number, because 85386858999 - 2¹⁷ = 85386727927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85386858959) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5584537 + ... + 5599805.

It is an arithmetic number, because the mean of its divisors is an integer number (3854880960).

Almost surely, 2^85386858999 is an apocalyptic number.

85386858999 is a deficient number, since it is larger than the sum of its proper divisors (37969331721).

85386858999 is a wasteful number, since it uses less digits than its factorization.

85386858999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16151.

The product of its digits is 1343692800, while the sum is 78.

The spelling of 85386858999 in words is "eighty-five billion, three hundred eighty-six million, eight hundred fifty-eight thousand, nine hundred ninety-nine".