312488461647 has 6 divisors (see below), whose sum is σ = 451372222392. Its totient is φ = 208325641092.

The previous prime is 312488461633. The next prime is 312488461651. The reversal of 312488461647 is 746164884213.

312488461647 is a `hidden beast` number, since 3 + 12 + 4 + 8 + 8 + 4 + 616 + 4 + 7 = 666.

It is not a de Polignac number, because 312488461647 - 2²⁴ = 312471684431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312488461593 and 312488461602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312488461547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17360470083 + ... + 17360470100.

It is an arithmetic number, because the mean of its divisors is an integer number (75228703732).

Almost surely, 2^312488461647 is an apocalyptic number.

312488461647 is a deficient number, since it is larger than the sum of its proper divisors (138883760745).

312488461647 is a wasteful number, since it uses less digits than its factorization.

312488461647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34720940189 (or 34720940186 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 54.

The spelling of 312488461647 in words is "three hundred twelve billion, four hundred eighty-eight million, four hundred sixty-one thousand, six hundred forty-seven".