82684191942 has 48 divisors (see below), whose sum is σ = 195507039312. Its totient is φ = 25046626560.

The previous prime is 82684191917. The next prime is 82684191973. The reversal of 82684191942 is 24919148628.

It is a happy number.

82684191942 is a `hidden beast` number, since 82 + 68 + 419 + 1 + 94 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 474658 + ... + 625034.

It is an arithmetic number, because the mean of its divisors is an integer number (4073063319).

Almost surely, 2^82684191942 is an apocalyptic number.

82684191942 is an abundant number, since it is smaller than the sum of its proper divisors (112822847370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82684191942 is a wasteful number, since it uses less digits than its factorization.

82684191942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153173 (or 153170 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The spelling of 82684191942 in words is "eighty-two billion, six hundred eighty-four million, one hundred ninety-one thousand, nine hundred forty-two".