2687906902 has 16 divisors (see below), whose sum is σ = 4085179200. Its totient is φ = 1326199680.

The previous prime is 2687906857. The next prime is 2687906927. The reversal of 2687906902 is 2096097862.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 373902 + ... + 381022.

It is an arithmetic number, because the mean of its divisors is an integer number (255323700).

Almost surely, 2^2687906902 is an apocalyptic number.

2687906902 is a deficient number, since it is larger than the sum of its proper divisors (1397272298).

2687906902 is a wasteful number, since it uses less digits than its factorization.

2687906902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9591.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 2687906902 is about 51845.0277461590. The cubic root of 2687906902 is about 1390.3946056299.

The spelling of 2687906902 in words is "two billion, six hundred eighty-seven million, nine hundred six thousand, nine hundred two".