712655687 has 2 divisors, whose sum is σ = 712655688. Its totient is φ = 712655686.

The previous prime is 712655651. The next prime is 712655693. The reversal of 712655687 is 786556217.

712655687 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 not a de Polignac number, because 712655687 - 2²⁶ = 645546823 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (712655087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356327843 + 356327844.

It is an arithmetic number, because the mean of its divisors is an integer number (356327844).

Almost surely, 2^712655687 is an apocalyptic number.

712655687 is a deficient number, since it is larger than the sum of its proper divisors (1).

712655687 is an equidigital number, since it uses as much as digits as its factorization.

712655687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 705600, while the sum is 47.

The square root of 712655687 is about 26695.6117554927. The cubic root of 712655687 is about 893.2230431929.

The spelling of 712655687 in words is "seven hundred twelve million, six hundred fifty-five thousand, six hundred eighty-seven".