287062868 has 24 divisors (see below), whose sum is σ = 530315520. Its totient is φ = 135964152.

The previous prime is 287062861. The next prime is 287062891. The reversal of 287062868 is 868260782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287062861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22205 + ... + 32667.

It is an arithmetic number, because the mean of its divisors is an integer number (22096480).

Almost surely, 2^287062868 is an apocalyptic number.

It is an amenable number.

287062868 is a deficient number, since it is larger than the sum of its proper divisors (243252652).

287062868 is a wasteful number, since it uses less digits than its factorization.

287062868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10524 (or 10484 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 47.

The square root of 287062868 is about 16942.9297348481. The cubic root of 287062868 is about 659.6683886621.

The spelling of 287062868 in words is "two hundred eighty-seven million, sixty-two thousand, eight hundred sixty-eight".