287887242345 has 16 divisors (see below), whose sum is σ = 460636424640. Its totient is φ = 153534250304.

The previous prime is 287887242317. The next prime is 287887242361. The reversal of 287887242345 is 543242788782.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 287887242345 - 2⁷ = 287887242217 is a prime.

It is a super-2 number, since 2×287887242345² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91246 + ... + 764264.

It is an arithmetic number, because the mean of its divisors is an integer number (28789776540).

Almost surely, 2^287887242345 is an apocalyptic number.

It is an amenable number.

287887242345 is a deficient number, since it is larger than the sum of its proper divisors (172749182295).

287887242345 is a wasteful number, since it uses less digits than its factorization.

287887242345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701544.

The product of its digits is 48168960, while the sum is 60.

The spelling of 287887242345 in words is "two hundred eighty-seven billion, eight hundred eighty-seven million, two hundred forty-two thousand, three hundred forty-five".