4287517157868 has 24 divisors (see below), whose sum is σ = 11433379087872. Its totient is φ = 1225004902224.

The previous prime is 4287517157857. The next prime is 4287517157909. The reversal of 4287517157868 is 8687517157824.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25520935380 + ... + 25520935547.

It is an arithmetic number, because the mean of its divisors is an integer number (476390795328).

Almost surely, 2^{4287517157868} is an apocalyptic number.

It is an amenable number.

4287517157868 is an abundant number, since it is smaller than the sum of its proper divisors (7145861930004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4287517157868 is a wasteful number, since it uses less digits than its factorization.

4287517157868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51041870941 (or 51041870939 counting only the distinct ones).

The product of its digits is 210739200, while the sum is 69.

The spelling of 4287517157868 in words is "four trillion, two hundred eighty-seven billion, five hundred seventeen million, one hundred fifty-seven thousand, eight hundred sixty-eight".