6716810879 has 4 divisors (see below), whose sum is σ = 6735113184. Its totient is φ = 6698508576.

The previous prime is 6716810861. The next prime is 6716810887. The reversal of 6716810879 is 9780186176.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6716810879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6716810879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6716810179) 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, 9150602 + ... + 9151335.

It is an arithmetic number, because the mean of its divisors is an integer number (1683778296).

Almost surely, 2^6716810879 is an apocalyptic number.

6716810879 is a deficient number, since it is larger than the sum of its proper divisors (18302305).

6716810879 is a wasteful number, since it uses less digits than its factorization.

6716810879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18302304.

The product of its (nonzero) digits is 1016064, while the sum is 53.

The square root of 6716810879 is about 81956.1521729760. The cubic root of 6716810879 is about 1886.7790270950.

The spelling of 6716810879 in words is "six billion, seven hundred sixteen million, eight hundred ten thousand, eight hundred seventy-nine".