2102896687 has 16 divisors (see below), whose sum is σ = 2291788800. Its totient is φ = 1922209920.

The previous prime is 2102896661. The next prime is 2102896711. The reversal of 2102896687 is 7866982012.

It is a cyclic number.

It is not a de Polignac number, because 2102896687 - 2⁷ = 2102896559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2102896687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102896637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199239 + ... + 209527.

It is an arithmetic number, because the mean of its divisors is an integer number (143236800).

Almost surely, 2^2102896687 is an apocalyptic number.

2102896687 is a deficient number, since it is larger than the sum of its proper divisors (188892113).

2102896687 is a wasteful number, since it uses less digits than its factorization.

2102896687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10686.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 2102896687 is about 45857.3515044207. The cubic root of 2102896687 is about 1281.1676939966.

The spelling of 2102896687 in words is "two billion, one hundred two million, eight hundred ninety-six thousand, six hundred eighty-seven".