85836216817057 has 4 divisors (see below), whose sum is σ = 98098533505216. Its totient is φ = 73573900128900.

The previous prime is 85836216816997. The next prime is 85836216817217. The reversal of 85836216817057 is 75071861263858.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85836216817057 is a prime.

It is a super-2 number, since 2×85836216817057² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85836216816983 and 85836216817001.

It is not an unprimeable number, because it can be changed into a prime (85836216817957) 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, 6131158344069 + ... + 6131158344082.

It is an arithmetic number, because the mean of its divisors is an integer number (24524633376304).

Almost surely, 2^{85836216817057} is an apocalyptic number.

It is an amenable number.

85836216817057 is a deficient number, since it is larger than the sum of its proper divisors (12262316688159).

85836216817057 is a wasteful number, since it uses less digits than its factorization.

85836216817057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12262316688158.

The product of its (nonzero) digits is 135475200, while the sum is 67.

The spelling of 85836216817057 in words is "eighty-five trillion, eight hundred thirty-six billion, two hundred sixteen million, eight hundred seventeen thousand, fifty-seven".