85299191227 has 4 divisors (see below), whose sum is σ = 85304779096. Its totient is φ = 85293603360.

The previous prime is 85299191207. The next prime is 85299191291. The reversal of 85299191227 is 72219199258.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85299191227 - 2³⁵ = 50939452859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85299191207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2770974 + ... + 2801587.

It is an arithmetic number, because the mean of its divisors is an integer number (21326194774).

Almost surely, 2^85299191227 is an apocalyptic number.

85299191227 is a deficient number, since it is larger than the sum of its proper divisors (5587869).

85299191227 is a wasteful number, since it uses less digits than its factorization.

85299191227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5587868.

The product of its digits is 1632960, while the sum is 55.

The spelling of 85299191227 in words is "eighty-five billion, two hundred ninety-nine million, one hundred ninety-one thousand, two hundred twenty-seven".