288742287 has 8 divisors (see below), whose sum is σ = 386007040. Its totient is φ = 191986200.

The previous prime is 288742273. The next prime is 288742301. The reversal of 288742287 is 782247882.

It is an interprime number because it is at equal distance from previous prime (288742273) and next prime (288742301).

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

It is not a de Polignac number, because 288742287 - 2⁴ = 288742271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288742217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125839 + ... + 128112.

It is an arithmetic number, because the mean of its divisors is an integer number (48250880).

Almost surely, 2^288742287 is an apocalyptic number.

288742287 is a deficient number, since it is larger than the sum of its proper divisors (97264753).

288742287 is a wasteful number, since it uses less digits than its factorization.

288742287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254333.

The product of its digits is 802816, while the sum is 48.

The square root of 288742287 is about 16992.4185153262. The cubic root of 288742287 is about 660.9523189866.

The spelling of 288742287 in words is "two hundred eighty-eight million, seven hundred forty-two thousand, two hundred eighty-seven".