7286009856 has 156 divisors (see below), whose sum is σ = 20106414936. Its totient is φ = 2346516480.

The previous prime is 7286009849. The next prime is 7286009869. The reversal of 7286009856 is 6589006827.

It is a junction number, because it is equal to n+sod(n) for n = 7286009799 and 7286009808.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11808460 + ... + 11809076.

Almost surely, 2^7286009856 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 7286009856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10053207468).

7286009856 is an abundant number, since it is smaller than the sum of its proper divisors (12820405080).

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

7286009856 is an equidigital number, since it uses as much as digits as its factorization.

7286009856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The square root of 7286009856 is about 85358.1270647382. The cubic root of 7286009856 is about 1938.6373908416.

The spelling of 7286009856 in words is "seven billion, two hundred eighty-six million, nine thousand, eight hundred fifty-six".