6856462247 has 2 divisors, whose sum is σ = 6856462248. Its totient is φ = 6856462246.

The previous prime is 6856462237. The next prime is 6856462331. The reversal of 6856462247 is 7422646586.

6856462247 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6856462247 - 2²² = 6852267943 is a prime.

It is a super-2 number, since 2×6856462247² = 94022149089072578018, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6856462195 and 6856462204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6856462237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3428231123 + 3428231124.

It is an arithmetic number, because the mean of its divisors is an integer number (3428231124).

Almost surely, 2^6856462247 is an apocalyptic number.

6856462247 is a deficient number, since it is larger than the sum of its proper divisors (1).

6856462247 is an equidigital number, since it uses as much as digits as its factorization.

6856462247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3870720, while the sum is 50.

The square root of 6856462247 is about 82803.7574449372. The cubic root of 6856462247 is about 1899.7656448712.

The spelling of 6856462247 in words is "six billion, eight hundred fifty-six million, four hundred sixty-two thousand, two hundred forty-seven".