2779159 has 4 divisors (see below), whose sum is σ = 2900016. Its totient is φ = 2658304.

The previous prime is 2779151. The next prime is 2779163. The reversal of 2779159 is 9519772.

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 2779159 - 2³ = 2779151 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 (2779151) 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, 60394 + ... + 60439.

It is an arithmetic number, because the mean of its divisors is an integer number (725004).

2^2779159 is an apocalyptic number.

2779159 is a deficient number, since it is larger than the sum of its proper divisors (120857).

2779159 is a wasteful number, since it uses less digits than its factorization.

2779159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120856.

The product of its digits is 39690, while the sum is 40.

The square root of 2779159 is about 1667.0809818362. The cubic root of 2779159 is about 140.5954063817.

The spelling of 2779159 in words is "two million, seven hundred seventy-nine thousand, one hundred fifty-nine".