87484281 has 16 divisors (see below), whose sum is σ = 118532160. Its totient is φ = 57387200.

The previous prime is 87484279. The next prime is 87484297. The reversal of 87484281 is 18248478.

It is a cyclic number.

It is not a de Polignac number, because 87484281 - 2¹ = 87484279 is a prime.

It is a super-2 number, since 2×87484281² = 15306998844173922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87484681) 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, 53431 + ... + 55043.

It is an arithmetic number, because the mean of its divisors is an integer number (7408260).

Almost surely, 2^87484281 is an apocalyptic number.

It is an amenable number.

87484281 is a deficient number, since it is larger than the sum of its proper divisors (31047879).

87484281 is a wasteful number, since it uses less digits than its factorization.

87484281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896.

The product of its digits is 114688, while the sum is 42.

The square root of 87484281 is about 9353.3032133038. The cubic root of 87484281 is about 443.9254145878.

The spelling of 87484281 in words is "eighty-seven million, four hundred eighty-four thousand, two hundred eighty-one".