312776256676117 has 8 divisors (see below), whose sum is σ = 340620642535320. Its totient is φ = 285472538503680.

The previous prime is 312776256676097. The next prime is 312776256676153. The reversal of 312776256676117 is 711676652677213.

It can be written as a sum of positive squares in 4 ways, for example, as 110366141796 + 312665890534321 = 332214^2 + 17682361^2 .

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 312776256676117 - 2¹¹ = 312776256674069 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 (312776256676817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135166920484 + ... + 135166922797.

It is an arithmetic number, because the mean of its divisors is an integer number (42577580316915).

Almost surely, 2^{312776256676117} is an apocalyptic number.

It is an amenable number.

312776256676117 is a deficient number, since it is larger than the sum of its proper divisors (27844385859203).

312776256676117 is a wasteful number, since it uses less digits than its factorization.

312776256676117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270333843383.

The product of its digits is 186701760, while the sum is 67.

The spelling of 312776256676117 in words is "three hundred twelve trillion, seven hundred seventy-six billion, two hundred fifty-six million, six hundred seventy-six thousand, one hundred seventeen".