6887860107811 has 2 divisors, whose sum is σ = 6887860107812. Its totient is φ = 6887860107810.

The previous prime is 6887860107809. The next prime is 6887860107833. The reversal of 6887860107811 is 1187010687886.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6887860107811 - 2¹ = 6887860107809 is a prime.

Together with 6887860107809, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6887860107811.

It is not a weakly prime, because it can be changed into another prime (6887860107511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3443930053905 + 3443930053906.

It is an arithmetic number, because the mean of its divisors is an integer number (3443930053906).

Almost surely, 2^{6887860107811} is an apocalyptic number.

6887860107811 is a deficient number, since it is larger than the sum of its proper divisors (1).

6887860107811 is an equidigital number, since it uses as much as digits as its factorization.

6887860107811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7225344, while the sum is 61.

The spelling of 6887860107811 in words is "six trillion, eight hundred eighty-seven billion, eight hundred sixty million, one hundred seven thousand, eight hundred eleven".