2687414887 has 4 divisors (see below), whose sum is σ = 2687997600. Its totient is φ = 2686832176.

The previous prime is 2687414857. The next prime is 2687414909. The reversal of 2687414887 is 7884147862.

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 2687414887 - 2²⁷ = 2553197159 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 (2687414837) 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, 284383 + ... + 293680.

It is an arithmetic number, because the mean of its divisors is an integer number (671999400).

Almost surely, 2^2687414887 is an apocalyptic number.

2687414887 is a deficient number, since it is larger than the sum of its proper divisors (582713).

2687414887 is an equidigital number, since it uses as much as digits as its factorization.

2687414887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582712.

The product of its digits is 4816896, while the sum is 55.

The square root of 2687414887 is about 51840.2824741532. The cubic root of 2687414887 is about 1390.3097643052.

The spelling of 2687414887 in words is "two billion, six hundred eighty-seven million, four hundred fourteen thousand, eight hundred eighty-seven".