76506065271277 has 4 divisors (see below), whose sum is σ = 76506438529276. Its totient is φ = 76505692013280.

The previous prime is 76506065271227. The next prime is 76506065271281. The reversal of 76506065271277 is 77217256060567.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71544090723876 + 4961974547401 = 8458374^2 + 2227549^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76506065271277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76506065271227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186321378 + ... + 186731539.

It is an arithmetic number, because the mean of its divisors is an integer number (19126609632319).

Almost surely, 2^{76506065271277} is an apocalyptic number.

It is an amenable number.

76506065271277 is a deficient number, since it is larger than the sum of its proper divisors (373257999).

76506065271277 is a wasteful number, since it uses less digits than its factorization.

76506065271277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373257998.

The product of its (nonzero) digits is 51861600, while the sum is 61.

The spelling of 76506065271277 in words is "seventy-six trillion, five hundred six billion, sixty-five million, two hundred seventy-one thousand, two hundred seventy-seven".