2399871587 has 2 divisors, whose sum is σ = 2399871588. Its totient is φ = 2399871586.

The previous prime is 2399871527. The next prime is 2399871599. The reversal of 2399871587 is 7851789932.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2399871587 is a prime.

It is not a weakly prime, because it can be changed into another prime (2399871527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1199935793 + 1199935794.

It is an arithmetic number, because the mean of its divisors is an integer number (1199935794).

Almost surely, 2^2399871587 is an apocalyptic number.

2399871587 is a deficient number, since it is larger than the sum of its proper divisors (1).

2399871587 is an equidigital number, since it uses as much as digits as its factorization.

2399871587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7620480, while the sum is 59.

The square root of 2399871587 is about 48988.4842284388. The cubic root of 2399871587 is about 1338.8420208792.

The spelling of 2399871587 in words is "two billion, three hundred ninety-nine million, eight hundred seventy-one thousand, five hundred eighty-seven".