82756240379 has 4 divisors (see below), whose sum is σ = 82756894440. Its totient is φ = 82755586320.

The previous prime is 82756240373. The next prime is 82756240481. The reversal of 82756240379 is 97304265728.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82756240379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82756240379.

It is not an unprimeable number, because it can be changed into a prime (82756240373) 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 3 ways as a sum of consecutive naturals, for example, 69794 + ... + 412775.

It is an arithmetic number, because the mean of its divisors is an integer number (20689223610).

Almost surely, 2^82756240379 is an apocalyptic number.

82756240379 is a deficient number, since it is larger than the sum of its proper divisors (654061).

82756240379 is a wasteful number, since it uses less digits than its factorization.

82756240379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654060.

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 82756240379 in words is "eighty-two billion, seven hundred fifty-six million, two hundred forty thousand, three hundred seventy-nine".