287282587968 has 84 divisors (see below), whose sum is σ = 825354923328. Its totient is φ = 95538597120.

The previous prime is 287282587951. The next prime is 287282587981. The reversal of 287282587968 is 869785282782.

287282587968 is a `hidden beast` number, since 287 + 2 + 8 + 258 + 7 + 96 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 287282587896 and 287282587905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 330346 + ... + 826857.

Almost surely, 2^287282587968 is an apocalyptic number.

It is an amenable number.

287282587968 is an abundant number, since it is smaller than the sum of its proper divisors (538072335360).

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

287282587968 is a wasteful number, since it uses less digits than its factorization.

287282587968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157652 (or 1157639 counting only the distinct ones).

The product of its digits is 433520640, while the sum is 72.

The spelling of 287282587968 in words is "two hundred eighty-seven billion, two hundred eighty-two million, five hundred eighty-seven thousand, nine hundred sixty-eight".