85059139199 has 4 divisors (see below), whose sum is σ = 85072125936. Its totient is φ = 85046152464.

The previous prime is 85059139183. The next prime is 85059139211. The reversal of 85059139199 is 99193195058.

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 85059139199 - 2⁴ = 85059139183 is a prime.

It is a super-2 number, since 2×85059139199² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85059139129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6483539 + ... + 6496644.

It is an arithmetic number, because the mean of its divisors is an integer number (21268031484).

Almost surely, 2^85059139199 is an apocalyptic number.

85059139199 is a deficient number, since it is larger than the sum of its proper divisors (12986737).

85059139199 is a wasteful number, since it uses less digits than its factorization.

85059139199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12986736.

The product of its (nonzero) digits is 3936600, while the sum is 59.

The spelling of 85059139199 in words is "eighty-five billion, fifty-nine million, one hundred thirty-nine thousand, one hundred ninety-nine".