6879787811 has 16 divisors (see below), whose sum is σ = 7494623808. Its totient is φ = 6277392000.

The previous prime is 6879787799. The next prime is 6879787813. The reversal of 6879787811 is 1187879786.

It is a cyclic number.

It is not a de Polignac number, because 6879787811 - 2²² = 6875593507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6879787813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 863930 + ... + 871856.

It is an arithmetic number, because the mean of its divisors is an integer number (468413988).

Almost surely, 2^6879787811 is an apocalyptic number.

6879787811 is a deficient number, since it is larger than the sum of its proper divisors (614835997).

6879787811 is a wasteful number, since it uses less digits than its factorization.

6879787811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8702.

The product of its digits is 9483264, while the sum is 62.

The square root of 6879787811 is about 82944.4863206711. The cubic root of 6879787811 is about 1901.9175295944.

The spelling of 6879787811 in words is "six billion, eight hundred seventy-nine million, seven hundred eighty-seven thousand, eight hundred eleven".