76277472317 has 4 divisors (see below), whose sum is σ = 76285186236. Its totient is φ = 76269758400.

The previous prime is 76277472307. The next prime is 76277472331. The reversal of 76277472317 is 71327477267.

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 49970578681 + 26306893636 = 223541^2 + 162194^2 .

It is a cyclic number.

It is not a de Polignac number, because 76277472317 - 2²⁸ = 76009036861 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 (76277472307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3842108 + ... + 3861909.

It is an arithmetic number, because the mean of its divisors is an integer number (19071296559).

Almost surely, 2^76277472317 is an apocalyptic number.

It is an amenable number.

76277472317 is a deficient number, since it is larger than the sum of its proper divisors (7713919).

76277472317 is an equidigital number, since it uses as much as digits as its factorization.

76277472317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7713918.

The product of its digits is 4840416, while the sum is 53.

The spelling of 76277472317 in words is "seventy-six billion, two hundred seventy-seven million, four hundred seventy-two thousand, three hundred seventeen".