6873888779 has 4 divisors (see below), whose sum is σ = 6889547280. Its totient is φ = 6858230280.

The previous prime is 6873888773. The next prime is 6873888781. The reversal of 6873888779 is 9778883786.

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-6873888779 is a prime.

It is a super-2 number, since 2×6873888779² = 94500693892124221682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6873888773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7828592 + ... + 7829469.

It is an arithmetic number, because the mean of its divisors is an integer number (1722386820).

Almost surely, 2^6873888779 is an apocalyptic number.

6873888779 is a deficient number, since it is larger than the sum of its proper divisors (15658501).

6873888779 is a wasteful number, since it uses less digits than its factorization.

6873888779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15658500.

The product of its digits is 227598336, while the sum is 71.

The square root of 6873888779 is about 82908.9185733356. The cubic root of 6873888779 is about 1901.3737782998.

The spelling of 6873888779 in words is "six billion, eight hundred seventy-three million, eight hundred eighty-eight thousand, seven hundred seventy-nine".