2708663879 has 4 divisors (see below), whose sum is σ = 2710753584. Its totient is φ = 2706574176.

The previous prime is 2708663851. The next prime is 2708663897. The reversal of 2708663879 is 9783668072.

It is a happy number.

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 2708663879 - 2¹² = 2708659783 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 (2708663809) 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, 1042907 + ... + 1045500.

It is an arithmetic number, because the mean of its divisors is an integer number (677688396).

Almost surely, 2^2708663879 is an apocalyptic number.

2708663879 is a deficient number, since it is larger than the sum of its proper divisors (2089705).

2708663879 is a wasteful number, since it uses less digits than its factorization.

2708663879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089704.

The product of its (nonzero) digits is 6096384, while the sum is 56.

The square root of 2708663879 is about 52044.8256698012. The cubic root of 2708663879 is about 1393.9644733015.

The spelling of 2708663879 in words is "two billion, seven hundred eight million, six hundred sixty-three thousand, eight hundred seventy-nine".