6876810660061 has 2 divisors, whose sum is σ = 6876810660062. Its totient is φ = 6876810660060.

The previous prime is 6876810659993. The next prime is 6876810660079. The reversal of 6876810660061 is 1600660186786.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6851777408100 + 25033251961 = 2617590^2 + 158219^2 .

It is a cyclic number.

It is not a de Polignac number, because 6876810660061 - 2⁹ = 6876810659549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6876810659984 and 6876810660011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6876810640061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3438405330030 + 3438405330031.

It is an arithmetic number, because the mean of its divisors is an integer number (3438405330031).

Almost surely, 2^{6876810660061} is an apocalyptic number.

It is an amenable number.

6876810660061 is a deficient number, since it is larger than the sum of its proper divisors (1).

6876810660061 is an equidigital number, since it uses as much as digits as its factorization.

6876810660061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 6876810660061 in words is "six trillion, eight hundred seventy-six billion, eight hundred ten million, six hundred sixty thousand, sixty-one".