6876256889 has 2 divisors, whose sum is σ = 6876256890. Its totient is φ = 6876256888.

The previous prime is 6876256861. The next prime is 6876256901. The reversal of 6876256889 is 9886526786.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3995251264 + 2881005625 = 63208^2 + 53675^2 .

It is a cyclic number.

It is not a de Polignac number, because 6876256889 - 2¹² = 6876252793 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6876256819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3438128444 + 3438128445.

It is an arithmetic number, because the mean of its divisors is an integer number (3438128445).

Almost surely, 2^6876256889 is an apocalyptic number.

It is an amenable number.

6876256889 is a deficient number, since it is larger than the sum of its proper divisors (1).

6876256889 is an equidigital number, since it uses as much as digits as its factorization.

6876256889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69672960, while the sum is 65.

The square root of 6876256889 is about 82923.1987383507. The cubic root of 6876256889 is about 1901.5920994197.

The spelling of 6876256889 in words is "six billion, eight hundred seventy-six million, two hundred fifty-six thousand, eight hundred eighty-nine".