2171067087 has 16 divisors (see below), whose sum is σ = 3310433280. Its totient is φ = 1239807072.

The previous prime is 2171067077. The next prime is 2171067097. The reversal of 2171067087 is 7807601712.

It is an interprime number because it is at equal distance from previous prime (2171067077) and next prime (2171067097).

It is not a de Polignac number, because 2171067087 - 2⁴ = 2171067071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2171067077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 589 + ... + 65897.

It is an arithmetic number, because the mean of its divisors is an integer number (206902080).

Almost surely, 2^2171067087 is an apocalyptic number.

2171067087 is a deficient number, since it is larger than the sum of its proper divisors (1139366193).

2171067087 is a wasteful number, since it uses less digits than its factorization.

2171067087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66902.

The product of its (nonzero) digits is 32928, while the sum is 39.

The square root of 2171067087 is about 46594.7109337530. The cubic root of 2171067087 is about 1294.8647686539.

Adding to 2171067087 its reverse (7807601712), we get a palindrome (9978668799).

The spelling of 2171067087 in words is "two billion, one hundred seventy-one million, sixty-seven thousand, eighty-seven".