82378711765 has 8 divisors (see below), whose sum is σ = 112976519040. Its totient is φ = 56488259472.

The previous prime is 82378711763. The next prime is 82378711813. The reversal of 82378711765 is 56711787328.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82378711765 - 2¹ = 82378711763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82378711763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1176838705 + ... + 1176838774.

It is an arithmetic number, because the mean of its divisors is an integer number (14122064880).

Almost surely, 2^82378711765 is an apocalyptic number.

It is an amenable number.

82378711765 is a deficient number, since it is larger than the sum of its proper divisors (30597807275).

82378711765 is a wasteful number, since it uses less digits than its factorization.

82378711765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353677491.

The product of its digits is 3951360, while the sum is 55.

The spelling of 82378711765 in words is "eighty-two billion, three hundred seventy-eight million, seven hundred eleven thousand, seven hundred sixty-five".