87148224 has 70 divisors (see below), whose sum is σ = 258350004. Its totient is φ = 29047680.

The previous prime is 87148213. The next prime is 87148241. The reversal of 87148224 is 42284178.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3222 + ... + 13589.

Almost surely, 2^87148224 is an apocalyptic number.

It is an amenable number.

87148224 is an abundant number, since it is smaller than the sum of its proper divisors (171201780).

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

87148224 is a wasteful number, since it uses less digits than its factorization.

87148224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16835 (or 16816 counting only the distinct ones).

The product of its digits is 28672, while the sum is 36.

The square root of 87148224 is about 9335.3213120920. The cubic root of 87148224 is about 443.3562621542.

The spelling of 87148224 in words is "eighty-seven million, one hundred forty-eight thousand, two hundred twenty-four".