872285587 has 2 divisors, whose sum is σ = 872285588. Its totient is φ = 872285586.

The previous prime is 872285567. The next prime is 872285593. The reversal of 872285587 is 785582278.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 872285587 - 2¹¹ = 872283539 is a prime.

It is not a weakly prime, because it can be changed into another prime (872285527) 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 as a sum of consecutive naturals, namely, 436142793 + 436142794.

It is an arithmetic number, because the mean of its divisors is an integer number (436142794).

Almost surely, 2^872285587 is an apocalyptic number.

872285587 is a deficient number, since it is larger than the sum of its proper divisors (1).

872285587 is an equidigital number, since it uses as much as digits as its factorization.

872285587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2508800, while the sum is 52.

The square root of 872285587 is about 29534.4813226845. The cubic root of 872285587 is about 955.4755220727.

The spelling of 872285587 in words is "eight hundred seventy-two million, two hundred eighty-five thousand, five hundred eighty-seven".