87281448 has 32 divisors (see below), whose sum is σ = 218528160. Its totient is φ = 29050560.

The previous prime is 87281419. The next prime is 87281521. The reversal of 87281448 is 84418278.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16578 + ... + 21198.

It is an arithmetic number, because the mean of its divisors is an integer number (6829005).

Almost surely, 2^87281448 is an apocalyptic number.

It is an amenable number.

87281448 is an abundant number, since it is smaller than the sum of its proper divisors (131246712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87281448 is a wasteful number, since it uses less digits than its factorization.

87281448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5417 (or 5413 counting only the distinct ones).

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

The square root of 87281448 is about 9342.4540673209. The cubic root of 87281448 is about 443.5820675673.

The spelling of 87281448 in words is "eighty-seven million, two hundred eighty-one thousand, four hundred forty-eight".