288660087 has 12 divisors (see below), whose sum is σ = 418579200. Its totient is φ = 191689728.

The previous prime is 288660083. The next prime is 288660107. The reversal of 288660087 is 780066882.

It is not a de Polignac number, because 288660087 - 2² = 288660083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288660083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60087 + ... + 64712.

It is an arithmetic number, because the mean of its divisors is an integer number (34881600).

Almost surely, 2^288660087 is an apocalyptic number.

288660087 is a deficient number, since it is larger than the sum of its proper divisors (129919113).

288660087 is a wasteful number, since it uses less digits than its factorization.

288660087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125062 (or 125059 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 288660087 is about 16989.9996174220. Note that the first 3 decimals coincide. The cubic root of 288660087 is about 660.8895924198.

The spelling of 288660087 in words is "two hundred eighty-eight million, six hundred sixty thousand, eighty-seven".