2117004887 has 2 divisors, whose sum is σ = 2117004888. Its totient is φ = 2117004886.

The previous prime is 2117004809. The next prime is 2117004931. The reversal of 2117004887 is 7884007112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2117004887 - 2²⁴ = 2100227671 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2117004887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2117004587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058502443 + 1058502444.

It is an arithmetic number, because the mean of its divisors is an integer number (1058502444).

Almost surely, 2^2117004887 is an apocalyptic number.

2117004887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2117004887 is an equidigital number, since it uses as much as digits as its factorization.

2117004887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25088, while the sum is 38.

The square root of 2117004887 is about 46010.9213882965. The cubic root of 2117004887 is about 1284.0264013667.

The spelling of 2117004887 in words is "two billion, one hundred seventeen million, four thousand, eight hundred eighty-seven".