686727463 has 2 divisors, whose sum is σ = 686727464. Its totient is φ = 686727462.

The previous prime is 686727443. The next prime is 686727473. The reversal of 686727463 is 364727686.

686727463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-686727463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (686727403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 343363731 + 343363732.

It is an arithmetic number, because the mean of its divisors is an integer number (343363732).

Almost surely, 2^686727463 is an apocalyptic number.

686727463 is a deficient number, since it is larger than the sum of its proper divisors (1).

686727463 is an equidigital number, since it uses as much as digits as its factorization.

686727463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2032128, while the sum is 49.

The square root of 686727463 is about 26205.4853608934. The cubic root of 686727463 is about 882.2563751156.

The spelling of 686727463 in words is "six hundred eighty-six million, seven hundred twenty-seven thousand, four hundred sixty-three".