82911502191 has 16 divisors (see below), whose sum is σ = 126352051200. Its totient is φ = 47373983328.

The previous prime is 82911502159. The next prime is 82911502237. The reversal of 82911502191 is 19120511928.

It is a happy number.

It is not a de Polignac number, because 82911502191 - 2⁵ = 82911502159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82911502151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95725 + ... + 418313.

It is an arithmetic number, because the mean of its divisors is an integer number (7897003200).

Almost surely, 2^82911502191 is an apocalyptic number.

82911502191 is a deficient number, since it is larger than the sum of its proper divisors (43440549009).

82911502191 is a wasteful number, since it uses less digits than its factorization.

82911502191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334838.

The product of its (nonzero) digits is 12960, while the sum is 39.

The spelling of 82911502191 in words is "eighty-two billion, nine hundred eleven million, five hundred two thousand, one hundred ninety-one".