85909016339 has 4 divisors (see below), whose sum is σ = 85909672224. Its totient is φ = 85908360456.

The previous prime is 85909016327. The next prime is 85909016371. The reversal of 85909016339 is 93361090958.

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 not a de Polignac number, because 85909016339 - 2³⁶ = 17189539603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85909016309) 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, 56672 + ... + 418365.

It is an arithmetic number, because the mean of its divisors is an integer number (21477418056).

Almost surely, 2^85909016339 is an apocalyptic number.

85909016339 is a deficient number, since it is larger than the sum of its proper divisors (655885).

85909016339 is a wasteful number, since it uses less digits than its factorization.

85909016339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655884.

The product of its (nonzero) digits is 1574640, while the sum is 53.

The spelling of 85909016339 in words is "eighty-five billion, nine hundred nine million, sixteen thousand, three hundred thirty-nine".