2771879 has 8 divisors (see below), whose sum is σ = 3075840. Its totient is φ = 2476600.

The previous prime is 2771863. The next prime is 2771893. The reversal of 2771879 is 9781772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2771879 - 2⁴ = 2771863 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 (2771809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1487 + ... + 2784.

It is an arithmetic number, because the mean of its divisors is an integer number (384480).

2^2771879 is an apocalyptic number.

2771879 is a deficient number, since it is larger than the sum of its proper divisors (303961).

2771879 is a wasteful number, since it uses less digits than its factorization.

2771879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4341.

The product of its digits is 49392, while the sum is 41.

The square root of 2771879 is about 1664.8960928538. The cubic root of 2771879 is about 140.4725359286.

The spelling of 2771879 in words is "two million, seven hundred seventy-one thousand, eight hundred seventy-nine".