87281543288 has 16 divisors (see below), whose sum is σ = 163692495000. Its totient is φ = 43630211296.

The previous prime is 87281543221. The next prime is 87281543317. The reversal of 87281543288 is 88234518278.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1284863 + ... + 1351086.

Almost surely, 2^87281543288 is an apocalyptic number.

It is an amenable number.

87281543288 is a deficient number, since it is larger than the sum of its proper divisors (76410951712).

87281543288 is a wasteful number, since it uses less digits than its factorization.

87281543288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640094 (or 2640090 counting only the distinct ones).

The product of its digits is 6881280, while the sum is 56.

The spelling of 87281543288 in words is "eighty-seven billion, two hundred eighty-one million, five hundred forty-three thousand, two hundred eighty-eight".