287480870 has 8 divisors (see below), whose sum is σ = 517465584. Its totient is φ = 114992344.

The previous prime is 287480839. The next prime is 287480873. The reversal of 287480870 is 78084782.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287480873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14374034 + ... + 14374053.

It is an arithmetic number, because the mean of its divisors is an integer number (64683198).

Almost surely, 2^287480870 is an apocalyptic number.

287480870 is a deficient number, since it is larger than the sum of its proper divisors (229984714).

287480870 is a wasteful number, since it uses less digits than its factorization.

287480870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28748094.

The product of its (nonzero) digits is 200704, while the sum is 44.

The square root of 287480870 is about 16955.2608355047. The cubic root of 287480870 is about 659.9884218967.

The spelling of 287480870 in words is "two hundred eighty-seven million, four hundred eighty thousand, eight hundred seventy".