82336991917 has 16 divisors (see below), whose sum is σ = 83969851392. Its totient is φ = 80724954240.

The previous prime is 82336991911. The next prime is 82336991921. The reversal of 82336991917 is 71919963328.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82336991917 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 (82336991911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3869367 + ... + 3890587.

It is an arithmetic number, because the mean of its divisors is an integer number (5248115712).

Almost surely, 2^82336991917 is an apocalyptic number.

It is an amenable number.

82336991917 is a deficient number, since it is larger than the sum of its proper divisors (1632859475).

82336991917 is a wasteful number, since it uses less digits than its factorization.

82336991917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21708.

The product of its digits is 4408992, while the sum is 58.

The spelling of 82336991917 in words is "eighty-two billion, three hundred thirty-six million, nine hundred ninety-one thousand, nine hundred seventeen".