312543886747 has 8 divisors (see below), whose sum is σ = 313945778432. Its totient is φ = 311144803200.

The previous prime is 312543886723. The next prime is 312543886763. The reversal of 312543886747 is 747688345213.

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 312543886747 - 2¹⁹ = 312543362459 is a prime.

It is a super-2 number, since 2×312543886747² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312543886691 and 312543886700.

It is not an unprimeable number, because it can be changed into a prime (312543886717) 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, 478779 + ... + 924292.

It is an arithmetic number, because the mean of its divisors is an integer number (39243222304).

Almost surely, 2^312543886747 is an apocalyptic number.

312543886747 is a deficient number, since it is larger than the sum of its proper divisors (1401891685).

312543886747 is a wasteful number, since it uses less digits than its factorization.

312543886747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404069.

The product of its digits is 27095040, while the sum is 58.

The spelling of 312543886747 in words is "three hundred twelve billion, five hundred forty-three million, eight hundred eighty-six thousand, seven hundred forty-seven".