82691811365 has 16 divisors (see below), whose sum is σ = 101086803840. Its totient is φ = 64920640320.

The previous prime is 82691811337. The next prime is 82691811379. The reversal of 82691811365 is 56311819628.

It is not a de Polignac number, because 82691811365 - 2⁸ = 82691811109 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174899 + ... + 442688.

It is an arithmetic number, because the mean of its divisors is an integer number (6317925240).

Almost surely, 2^82691811365 is an apocalyptic number.

It is an amenable number.

82691811365 is a deficient number, since it is larger than the sum of its proper divisors (18394992475).

82691811365 is a wasteful number, since it uses less digits than its factorization.

82691811365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618092.

The product of its digits is 622080, while the sum is 50.

The spelling of 82691811365 in words is "eighty-two billion, six hundred ninety-one million, eight hundred eleven thousand, three hundred sixty-five".