312755708827 has 4 divisors (see below), whose sum is σ = 312809168056. Its totient is φ = 312702249600.

The previous prime is 312755708819. The next prime is 312755708849. The reversal of 312755708827 is 728807557213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 728807557213 = 571 ⋅1276370503.

It is a cyclic number.

It is not a de Polignac number, because 312755708827 - 2³ = 312755708819 is a prime.

It is a super-2 number, since 2×312755708827² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312755708807) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 26720838 + ... + 26732539.

It is an arithmetic number, because the mean of its divisors is an integer number (78202292014).

Almost surely, 2^312755708827 is an apocalyptic number.

312755708827 is a deficient number, since it is larger than the sum of its proper divisors (53459229).

312755708827 is an equidigital number, since it uses as much as digits as its factorization.

312755708827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53459228.

The product of its (nonzero) digits is 6585600, while the sum is 55.

The spelling of 312755708827 in words is "three hundred twelve billion, seven hundred fifty-five million, seven hundred eight thousand, eight hundred twenty-seven".