868472424647 has 2 divisors, whose sum is σ = 868472424648. Its totient is φ = 868472424646.

The previous prime is 868472424629. The next prime is 868472424653. The reversal of 868472424647 is 746424274868.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 868472424647 - 2¹⁴ = 868472408263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 868472424647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (868472424667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434236212323 + 434236212324.

It is an arithmetic number, because the mean of its divisors is an integer number (434236212324).

Almost surely, 2^868472424647 is an apocalyptic number.

868472424647 is a deficient number, since it is larger than the sum of its proper divisors (1).

868472424647 is an equidigital number, since it uses as much as digits as its factorization.

868472424647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 115605504, while the sum is 62.

The spelling of 868472424647 in words is "eight hundred sixty-eight billion, four hundred seventy-two million, four hundred twenty-four thousand, six hundred forty-seven".