2688893879 has 4 divisors (see below), whose sum is σ = 3073021584. Its totient is φ = 2304766176.

The previous prime is 2688893869. The next prime is 2688893897. The reversal of 2688893879 is 9783988862.

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

It is a cyclic number.

It is not a de Polignac number, because 2688893879 - 2¹² = 2688889783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2688893819) 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, 192063842 + ... + 192063855.

It is an arithmetic number, because the mean of its divisors is an integer number (768255396).

Almost surely, 2^2688893879 is an apocalyptic number.

2688893879 is a deficient number, since it is larger than the sum of its proper divisors (384127705).

2688893879 is an equidigital number, since it uses as much as digits as its factorization.

2688893879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384127704.

The product of its digits is 83607552, while the sum is 68.

The square root of 2688893879 is about 51854.5454034649. The cubic root of 2688893879 is about 1390.5647652395.

The spelling of 2688893879 in words is "two billion, six hundred eighty-eight million, eight hundred ninety-three thousand, eight hundred seventy-nine".