2787959 has 8 divisors (see below), whose sum is σ = 2912112. Its totient is φ = 2666560.

The previous prime is 2787947. The next prime is 2787971. The reversal of 2787959 is 9597872.

It is an interprime number because it is at equal distance from previous prime (2787947) and next prime (2787971).

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 2787959 - 2⁸ = 2787703 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 (2787919) 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, 1532 + ... + 2814.

It is an arithmetic number, because the mean of its divisors is an integer number (364014).

2^2787959 is an apocalyptic number.

2787959 is a deficient number, since it is larger than the sum of its proper divisors (124153).

2787959 is a wasteful number, since it uses less digits than its factorization.

2787959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377.

The product of its digits is 317520, while the sum is 47.

The square root of 2787959 is about 1669.7182397039. The cubic root of 2787959 is about 140.7436449907.

The spelling of 2787959 in words is "two million, seven hundred eighty-seven thousand, nine hundred fifty-nine".