2186706087 has 12 divisors (see below), whose sum is σ = 3159692640. Its totient is φ = 1457288448.

The previous prime is 2186706079. The next prime is 2186706089. The reversal of 2186706087 is 7806076812.

2186706087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2186706087 - 2³ = 2186706079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2186706089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15162 + ... + 67847.

It is an arithmetic number, because the mean of its divisors is an integer number (263307720).

Almost surely, 2^2186706087 is an apocalyptic number.

2186706087 is a deficient number, since it is larger than the sum of its proper divisors (972986553).

2186706087 is a wasteful number, since it uses less digits than its factorization.

2186706087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85942 (or 85939 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 2186706087 is about 46762.2292774842. The cubic root of 2186706087 is about 1297.9664630862.

The spelling of 2186706087 in words is "two billion, one hundred eighty-six million, seven hundred six thousand, eighty-seven".