82786838442511 has 16 divisors (see below), whose sum is σ = 95834657056320. Its totient is φ = 70048062858240.

The previous prime is 82786838442481. The next prime is 82786838442547. The reversal of 82786838442511 is 11524483868728.

It is not a de Polignac number, because 82786838442511 - 2²³ = 82786830053903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82786838542511) 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, 156451360 + ... + 156979621.

It is an arithmetic number, because the mean of its divisors is an integer number (5989666066020).

Almost surely, 2^{82786838442511} is an apocalyptic number.

82786838442511 is a deficient number, since it is larger than the sum of its proper divisors (13047818613809).

82786838442511 is a wasteful number, since it uses less digits than its factorization.

82786838442511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313431474.

The product of its digits is 165150720, while the sum is 67.

The spelling of 82786838442511 in words is "eighty-two trillion, seven hundred eighty-six billion, eight hundred thirty-eight million, four hundred forty-two thousand, five hundred eleven".