6860327857 has 2 divisors, whose sum is σ = 6860327858. Its totient is φ = 6860327856.

The previous prime is 6860327843. The next prime is 6860327861. The reversal of 6860327857 is 7587230686.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5590403361 + 1269924496 = 74769^2 + 35636^2 .

It is a cyclic number.

It is not a de Polignac number, because 6860327857 - 2³¹ = 4712844209 is a prime.

It is not a weakly prime, because it can be changed into another prime (6860327827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3430163928 + 3430163929.

It is an arithmetic number, because the mean of its divisors is an integer number (3430163929).

Almost surely, 2^6860327857 is an apocalyptic number.

It is an amenable number.

6860327857 is a deficient number, since it is larger than the sum of its proper divisors (1).

6860327857 is an equidigital number, since it uses as much as digits as its factorization.

6860327857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The square root of 6860327857 is about 82827.0961521651. The cubic root of 6860327857 is about 1900.1226012300.

It can be divided in two parts, 686032 and 7857, that added together give a square (693889 = 833²).

The spelling of 6860327857 in words is "six billion, eight hundred sixty million, three hundred twenty-seven thousand, eight hundred fifty-seven".