82377367380815 has 32 divisors (see below), whose sum is σ = 106834982546880. Its totient is φ = 60616611634176.

The previous prime is 82377367380773. The next prime is 82377367380817. The reversal of 82377367380815 is 51808376377328.

It is not a de Polignac number, because 82377367380815 - 2³⁸ = 82102489473871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82377367380817) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56634389 + ... + 58070721.

It is an arithmetic number, because the mean of its divisors is an integer number (3338593204590).

Almost surely, 2^{82377367380815} is an apocalyptic number.

82377367380815 is a deficient number, since it is larger than the sum of its proper divisors (24457615166065).

82377367380815 is a wasteful number, since it uses less digits than its factorization.

82377367380815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439483.

The product of its (nonzero) digits is 284497920, while the sum is 68.

The spelling of 82377367380815 in words is "eighty-two trillion, three hundred seventy-seven billion, three hundred sixty-seven million, three hundred eighty thousand, eight hundred fifteen".