312527740477 has 2 divisors, whose sum is σ = 312527740478. Its totient is φ = 312527740476.

The previous prime is 312527740397. The next prime is 312527740487. The reversal of 312527740477 is 774047725213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245360724921 + 67167015556 = 495339^2 + 259166^2 .

It is a cyclic number.

It is not a de Polignac number, because 312527740477 - 2¹¹ = 312527738429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312527740477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312527740487) 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 as a sum of consecutive naturals, namely, 156263870238 + 156263870239.

It is an arithmetic number, because the mean of its divisors is an integer number (156263870239).

Almost surely, 2^312527740477 is an apocalyptic number.

It is an amenable number.

312527740477 is a deficient number, since it is larger than the sum of its proper divisors (1).

312527740477 is an equidigital number, since it uses as much as digits as its factorization.

312527740477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304960, while the sum is 49.

The spelling of 312527740477 in words is "three hundred twelve billion, five hundred twenty-seven million, seven hundred forty thousand, four hundred seventy-seven".