2608779843 has 6 divisors (see below), whose sum is σ = 3768237564. Its totient is φ = 1739186556.

The previous prime is 2608779841. The next prime is 2608779847. The reversal of 2608779843 is 3489778062.

It is not a de Polignac number, because 2608779843 - 2¹ = 2608779841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2608779843.

It is not an unprimeable number, because it can be changed into a prime (2608779841) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144932205 + ... + 144932222.

It is an arithmetic number, because the mean of its divisors is an integer number (628039594).

Almost surely, 2^2608779843 is an apocalyptic number.

2608779843 is a deficient number, since it is larger than the sum of its proper divisors (1159457721).

2608779843 is a wasteful number, since it uses less digits than its factorization.

2608779843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289864433 (or 289864430 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The square root of 2608779843 is about 51076.2160207665. The cubic root of 2608779843 is about 1376.6149343444.

The spelling of 2608779843 in words is "two billion, six hundred eight million, seven hundred seventy-nine thousand, eight hundred forty-three".