87281259 has 16 divisors (see below), whose sum is σ = 125661984. Its totient is φ = 53568000.

The previous prime is 87281221. The next prime is 87281267. The reversal of 87281259 is 95218278.

It is not a de Polignac number, because 87281259 - 2⁹ = 87280747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87281259.

It is not an unprimeable number, because it can be changed into a prime (87281219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12849 + ... + 18429.

It is an arithmetic number, because the mean of its divisors is an integer number (7853874).

Almost surely, 2^87281259 is an apocalyptic number.

87281259 is a deficient number, since it is larger than the sum of its proper divisors (38380725).

87281259 is a wasteful number, since it uses less digits than its factorization.

87281259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5998.

The product of its digits is 80640, while the sum is 42.

The square root of 87281259 is about 9342.4439522001. The cubic root of 87281259 is about 443.5817473883.

The spelling of 87281259 in words is "eighty-seven million, two hundred eighty-one thousand, two hundred fifty-nine".