6880637811 has 4 divisors (see below), whose sum is σ = 9174183752. Its totient is φ = 4587091872.

The previous prime is 6880637791. The next prime is 6880637839. The reversal of 6880637811 is 1187360886.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6880637811 - 2⁷ = 6880637683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6880637861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1146772966 + ... + 1146772971.

It is an arithmetic number, because the mean of its divisors is an integer number (2293545938).

Almost surely, 2^6880637811 is an apocalyptic number.

6880637811 is a deficient number, since it is larger than the sum of its proper divisors (2293545941).

6880637811 is a wasteful number, since it uses less digits than its factorization.

6880637811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293545940.

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 6880637811 is about 82949.6100714162. The cubic root of 6880637811 is about 1901.9958538766.

The spelling of 6880637811 in words is "six billion, eight hundred eighty million, six hundred thirty-seven thousand, eight hundred eleven".