85364350559 has 4 divisors (see below), whose sum is σ = 85365148560. Its totient is φ = 85363552560.

The previous prime is 85364350553. The next prime is 85364350573. The reversal of 85364350559 is 95505346358.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85364350559 is a prime.

It is a super-2 number, since 2×85364350559² (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 85364350559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85364350553) 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, 208094 + ... + 462635.

It is an arithmetic number, because the mean of its divisors is an integer number (21341287140).

Almost surely, 2^85364350559 is an apocalyptic number.

85364350559 is a deficient number, since it is larger than the sum of its proper divisors (798001).

85364350559 is a wasteful number, since it uses less digits than its factorization.

85364350559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798000.

The product of its (nonzero) digits is 9720000, while the sum is 53.

The spelling of 85364350559 in words is "eighty-five billion, three hundred sixty-four million, three hundred fifty thousand, five hundred fifty-nine".