872587 has 2 divisors, whose sum is σ = 872588. Its totient is φ = 872586.

The previous prime is 872567. The next prime is 872609. The reversal of 872587 is 785278.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-872587 is a prime.

It is a super-2 number, since 2×872587² = 1522816145138, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (872567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436293 + 436294.

It is an arithmetic number, because the mean of its divisors is an integer number (436294).

2⁸⁷²⁵⁸⁷ is an apocalyptic number.

872587 is a deficient number, since it is larger than the sum of its proper divisors (1).

872587 is an equidigital number, since it uses as much as digits as its factorization.

872587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31360, while the sum is 37.

The square root of 872587 is about 934.1236534849. The cubic root of 872587 is about 95.5585562325.

The spelling of 872587 in words is "eight hundred seventy-two thousand, five hundred eighty-seven".