287374087 has 16 divisors (see below), whose sum is σ = 385846272. Its totient is φ = 206701920.

The previous prime is 287374067. The next prime is 287374093. The reversal of 287374087 is 780473782.

It is a cyclic number.

It is not a de Polignac number, because 287374087 - 2⁷ = 287373959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287374037) 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 15 ways as a sum of consecutive naturals, for example, 142543 + ... + 144544.

It is an arithmetic number, because the mean of its divisors is an integer number (24115392).

Almost surely, 2^287374087 is an apocalyptic number.

287374087 is a deficient number, since it is larger than the sum of its proper divisors (98472185).

287374087 is a wasteful number, since it uses less digits than its factorization.

287374087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287118.

The product of its (nonzero) digits is 526848, while the sum is 46.

The square root of 287374087 is about 16952.1115793874. Note that the first 3 decimals coincide. The cubic root of 287374087 is about 659.9066955643.

The spelling of 287374087 in words is "two hundred eighty-seven million, three hundred seventy-four thousand, eighty-seven".