87981248 has 28 divisors (see below), whose sum is σ = 183779160. Its totient is φ = 41674752.

The previous prime is 87981247. The next prime is 87981253. The reversal of 87981248 is 84218978.

It is not an unprimeable number, because it can be changed into a prime (87981247) 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, 34961 + ... + 37392.

Almost surely, 2^87981248 is an apocalyptic number.

It is an amenable number.

87981248 is an abundant number, since it is smaller than the sum of its proper divisors (95797912).

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

87981248 is a wasteful number, since it uses less digits than its factorization.

87981248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72384 (or 72374 counting only the distinct ones).

The product of its digits is 258048, while the sum is 47.

The square root of 87981248 is about 9379.8319814376. The cubic root of 87981248 is about 444.7644218735.

The spelling of 87981248 in words is "eighty-seven million, nine hundred eighty-one thousand, two hundred forty-eight".