76280138339265 has 48 divisors (see below), whose sum is σ = 151136569579008. Its totient is φ = 34864170864768.

The previous prime is 76280138339231. The next prime is 76280138339323. The reversal of 76280138339265 is 56293383108267.

It is a happy number.

76280138339265 is a `hidden beast` number, since 7 + 6 + 2 + 8 + 0 + 1 + 38 + 339 + 265 = 666.

It is not a de Polignac number, because 76280138339265 - 2¹⁵ = 76280138306497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 21805642 + ... + 25060851.

It is an arithmetic number, because the mean of its divisors is an integer number (3148678532896).

Almost surely, 2^{76280138339265} is an apocalyptic number.

It is an amenable number.

76280138339265 is a deficient number, since it is larger than the sum of its proper divisors (74856431239743).

76280138339265 is a wasteful number, since it uses less digits than its factorization.

76280138339265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46871678 (or 46871675 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 63.

The spelling of 76280138339265 in words is "seventy-six trillion, two hundred eighty billion, one hundred thirty-eight million, three hundred thirty-nine thousand, two hundred sixty-five".