87280448 has 28 divisors (see below), whose sum is σ = 183387492. Its totient is φ = 41072640.

The previous prime is 87280441. The next prime is 87280451. The reversal of 87280448 is 84408278.

It can be written as a sum of positive squares in 2 ways, for example, as 55830784 + 31449664 = 7472^2 + 5608^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87280441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39023 + ... + 41198.

Almost surely, 2^87280448 is an apocalyptic number.

It is an amenable number.

87280448 is an abundant number, since it is smaller than the sum of its proper divisors (96107044).

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

87280448 is a wasteful number, since it uses less digits than its factorization.

87280448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80250 (or 80240 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 41.

The square root of 87280448 is about 9342.4005480390. The cubic root of 87280448 is about 443.5803734931.

The spelling of 87280448 in words is "eighty-seven million, two hundred eighty thousand, four hundred forty-eight".