85157895191 has 8 divisors (see below), whose sum is σ = 85255557360. Its totient is φ = 85060274112.

The previous prime is 85157895127. The next prime is 85157895197. The reversal of 85157895191 is 19159875158.

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 85157895191 - 2⁶ = 85157895127 is a prime.

It is a super-2 number, since 2×85157895191² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85157895191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85157895197) 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, 6071795 + ... + 6085803.

It is an arithmetic number, because the mean of its divisors is an integer number (10656944670).

Almost surely, 2^85157895191 is an apocalyptic number.

85157895191 is a deficient number, since it is larger than the sum of its proper divisors (97662169).

85157895191 is a wasteful number, since it uses less digits than its factorization.

85157895191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20545.

The product of its digits is 4536000, while the sum is 59.

The spelling of 85157895191 in words is "eighty-five billion, one hundred fifty-seven million, eight hundred ninety-five thousand, one hundred ninety-one".