2004387587 has 2 divisors, whose sum is σ = 2004387588. Its totient is φ = 2004387586.

The previous prime is 2004387557. The next prime is 2004387613. The reversal of 2004387587 is 7857834002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2004387587 - 2⁶ = 2004387523 is a prime.

It is not a weakly prime, because it can be changed into another prime (2004387547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002193793 + 1002193794.

It is an arithmetic number, because the mean of its divisors is an integer number (1002193794).

Almost surely, 2^2004387587 is an apocalyptic number.

2004387587 is a deficient number, since it is larger than the sum of its proper divisors (1).

2004387587 is an equidigital number, since it uses as much as digits as its factorization.

2004387587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 376320, while the sum is 44.

The square root of 2004387587 is about 44770.3873894341. The cubic root of 2004387587 is about 1260.8417125114.

The spelling of 2004387587 in words is "two billion, four million, three hundred eighty-seven thousand, five hundred eighty-seven".