287862664 has 32 divisors (see below), whose sum is σ = 578445120. Its totient is φ = 133949376.

The previous prime is 287862661. The next prime is 287862667. The reversal of 287862664 is 466268782.

287862664 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (287862661) and next prime (287862667).

It is not an unprimeable number, because it can be changed into a prime (287862661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14334 + ... + 27949.

It is an arithmetic number, because the mean of its divisors is an integer number (18076410).

Almost surely, 2^287862664 is an apocalyptic number.

It is an amenable number.

287862664 is an abundant number, since it is smaller than the sum of its proper divisors (290582456).

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

287862664 is a wasteful number, since it uses less digits than its factorization.

287862664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42349 (or 42345 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 49.

The square root of 287862664 is about 16966.5159652770. The cubic root of 287862664 is about 660.2804623759.

The spelling of 287862664 in words is "two hundred eighty-seven million, eight hundred sixty-two thousand, six hundred sixty-four".