85837086719999 has 4 divisors (see below), whose sum is σ = 85838591133720. Its totient is φ = 85835582306280.

The previous prime is 85837086719977. The next prime is 85837086720029. The reversal of 85837086719999 is 99991768073858.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85837086719999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85837086719099) 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, 752121272 + ... + 752235389.

It is an arithmetic number, because the mean of its divisors is an integer number (21459647783430).

Almost surely, 2^{85837086719999} is an apocalyptic number.

85837086719999 is a deficient number, since it is larger than the sum of its proper divisors (1504413721).

85837086719999 is a wasteful number, since it uses less digits than its factorization.

85837086719999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504413720.

The product of its (nonzero) digits is 14814213120, while the sum is 89.

The spelling of 85837086719999 in words is "eighty-five trillion, eight hundred thirty-seven billion, eighty-six million, seven hundred nineteen thousand, nine hundred ninety-nine".