82723384688 has 40 divisors (see below), whose sum is σ = 192813909120. Its totient is φ = 33586937280.

The previous prime is 82723384673. The next prime is 82723384693. The reversal of 82723384688 is 88648332728.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19434758 + ... + 19439013.

It is an arithmetic number, because the mean of its divisors is an integer number (4820347728).

Almost surely, 2^82723384688 is an apocalyptic number.

It is an amenable number.

82723384688 is an abundant number, since it is smaller than the sum of its proper divisors (110090524432).

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

82723384688 is a wasteful number, since it uses less digits than its factorization.

82723384688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38873805 (or 38873799 counting only the distinct ones).

The product of its digits is 24772608, while the sum is 59.

The spelling of 82723384688 in words is "eighty-two billion, seven hundred twenty-three million, three hundred eighty-four thousand, six hundred eighty-eight".