82757905191 has 24 divisors (see below), whose sum is σ = 128761834656. Its totient is φ = 50917135680.

The previous prime is 82757905163. The next prime is 82757905261. The reversal of 82757905191 is 19150975728.

It is not a de Polignac number, because 82757905191 - 2⁶ = 82757905127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82757900191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 497301 + ... + 642513.

It is an arithmetic number, because the mean of its divisors is an integer number (5365076444).

Almost surely, 2^82757905191 is an apocalyptic number.

82757905191 is a deficient number, since it is larger than the sum of its proper divisors (46003929465).

82757905191 is a wasteful number, since it uses less digits than its factorization.

82757905191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150103 (or 150100 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 54.

The spelling of 82757905191 in words is "eighty-two billion, seven hundred fifty-seven million, nine hundred five thousand, one hundred ninety-one".