587687421 has 16 divisors (see below), whose sum is σ = 818213760. Its totient is φ = 374499840.

The previous prime is 587687411. The next prime is 587687431. The reversal of 587687421 is 124786785.

It is an interprime number because it is at equal distance from previous prime (587687411) and next prime (587687431).

It is not a de Polignac number, because 587687421 - 2⁶ = 587687357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (587687411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186741 + ... + 189861.

It is an arithmetic number, because the mean of its divisors is an integer number (51138360).

Almost surely, 2^587687421 is an apocalyptic number.

It is an amenable number.

587687421 is a deficient number, since it is larger than the sum of its proper divisors (230526339).

587687421 is a wasteful number, since it uses less digits than its factorization.

587687421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5876.

The product of its digits is 752640, while the sum is 48.

The square root of 587687421 is about 24242.2651788153. The cubic root of 587687421 is about 837.6233941896.

The spelling of 587687421 in words is "five hundred eighty-seven million, six hundred eighty-seven thousand, four hundred twenty-one".