85999193 has 8 divisors (see below), whose sum is σ = 99059712. Its totient is φ = 73132416.

The previous prime is 85999189. The next prime is 85999201. The reversal of 85999193 is 39199958.

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

It is not a de Polignac number, because 85999193 - 2² = 85999189 is a prime.

It is a super-2 number, since 2×85999193² = 14791722393302498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85999493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47480 + ... + 49257.

It is an arithmetic number, because the mean of its divisors is an integer number (12382464).

Almost surely, 2^85999193 is an apocalyptic number.

It is an amenable number.

85999193 is a deficient number, since it is larger than the sum of its proper divisors (13060519).

85999193 is a wasteful number, since it uses less digits than its factorization.

85999193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96871.

The product of its digits is 787320, while the sum is 53.

The square root of 85999193 is about 9273.5749848696. The cubic root of 85999193 is about 441.3991155802.

The spelling of 85999193 in words is "eighty-five million, nine hundred ninety-nine thousand, one hundred ninety-three".