6876887513 has 2 divisors, whose sum is σ = 6876887514. Its totient is φ = 6876887512.

The previous prime is 6876887509. The next prime is 6876887519. The reversal of 6876887513 is 3157886786.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3581783104 + 3295104409 = 59848^2 + 57403^2 .

It is a cyclic number.

It is not a de Polignac number, because 6876887513 - 2² = 6876887509 is a prime.

It is not a weakly prime, because it can be changed into another prime (6876887519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3438443756 + 3438443757.

It is an arithmetic number, because the mean of its divisors is an integer number (3438443757).

Almost surely, 2^6876887513 is an apocalyptic number.

It is an amenable number.

6876887513 is a deficient number, since it is larger than the sum of its proper divisors (1).

6876887513 is an equidigital number, since it uses as much as digits as its factorization.

6876887513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13547520, while the sum is 59.

The square root of 6876887513 is about 82927.0011094095. The cubic root of 6876887513 is about 1901.6502295418.

The spelling of 6876887513 in words is "six billion, eight hundred seventy-six million, eight hundred eighty-seven thousand, five hundred thirteen".