9287873868 has 96 divisors (see below), whose sum is σ = 26917918720. Its totient is φ = 2427045120.

The previous prime is 9287873851. The next prime is 9287873879. The reversal of 9287873868 is 8683787829.

It is a junction number, because it is equal to n+sod(n) for n = 9287873799 and 9287873808.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80013 + ... + 158043.

Almost surely, 2^9287873868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9287873868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13458959360).

9287873868 is an abundant number, since it is smaller than the sum of its proper divisors (17630044852).

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

9287873868 is a wasteful number, since it uses less digits than its factorization.

9287873868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78167 (or 78165 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 66.

The square root of 9287873868 is about 96373.6160367556. The cubic root of 9287873868 is about 2102.0293208874.

The spelling of 9287873868 in words is "nine billion, two hundred eighty-seven million, eight hundred seventy-three thousand, eight hundred sixty-eight".