2769887 has 2 divisors, whose sum is σ = 2769888. Its totient is φ = 2769886.

The previous prime is 2769841. The next prime is 2769889. The reversal of 2769887 is 7889672.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2769887 - 2⁸ = 2769631 is a prime.

Together with 2769889, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2¹⁸ + 7³ + 6⁸ + 9² + 8² + 8⁴ + 7⁷ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2769889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1384943 + 1384944.

It is an arithmetic number, because the mean of its divisors is an integer number (1384944).

2^2769887 is an apocalyptic number.

2769887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2769887 is an equidigital number, since it uses as much as digits as its factorization.

2769887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 47.

The square root of 2769887 is about 1664.2977498032. The cubic root of 2769887 is about 140.4388778518.

The spelling of 2769887 in words is "two million, seven hundred sixty-nine thousand, eight hundred eighty-seven".