2687875916 has 24 divisors (see below), whose sum is σ = 5433248016. Its totient is φ = 1149893120.

The previous prime is 2687875913. The next prime is 2687875937. The reversal of 2687875916 is 6195787862.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2687875913) 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, 1795961 + ... + 1797456.

It is an arithmetic number, because the mean of its divisors is an integer number (226385334).

Almost surely, 2^2687875916 is an apocalyptic number.

It is an amenable number.

2687875916 is an abundant number, since it is smaller than the sum of its proper divisors (2745372100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2687875916 is a wasteful number, since it uses less digits than its factorization.

2687875916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3593449 (or 3593447 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 59.

The square root of 2687875916 is about 51844.7289123976. The cubic root of 2687875916 is about 1390.3892628193.

The spelling of 2687875916 in words is "two billion, six hundred eighty-seven million, eight hundred seventy-five thousand, nine hundred sixteen".