8714747857 has 2 divisors, whose sum is σ = 8714747858. Its totient is φ = 8714747856.

The previous prime is 8714747851. The next prime is 8714747911. The reversal of 8714747857 is 7587474178.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6889664016 + 1825083841 = 83004^2 + 42721^2 .

It is a cyclic number.

It is not a de Polignac number, because 8714747857 - 2¹⁹ = 8714223569 is a prime.

It is a super-2 number, since 2×8714747857² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8714747851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4357373928 + 4357373929.

It is an arithmetic number, because the mean of its divisors is an integer number (4357373929).

Almost surely, 2^8714747857 is an apocalyptic number.

It is an amenable number.

8714747857 is a deficient number, since it is larger than the sum of its proper divisors (1).

8714747857 is an equidigital number, since it uses as much as digits as its factorization.

8714747857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12293120, while the sum is 58.

The square root of 8714747857 is about 93352.8138676066. The cubic root of 8714747857 is about 2057.8716082984.

The spelling of 8714747857 in words is "eight billion, seven hundred fourteen million, seven hundred forty-seven thousand, eight hundred fifty-seven".