2826381868 has 24 divisors (see below), whose sum is σ = 5024086704. Its totient is φ = 1390963200.

The previous prime is 2826381853. The next prime is 2826381889. The reversal of 2826381868 is 8681836282.

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, 393348 + ... + 400468.

It is an arithmetic number, because the mean of its divisors is an integer number (209336946).

Almost surely, 2^2826381868 is an apocalyptic number.

It is an amenable number.

2826381868 is a deficient number, since it is larger than the sum of its proper divisors (2197704836).

2826381868 is a wasteful number, since it uses less digits than its factorization.

2826381868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8673 (or 8671 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 52.

The square root of 2826381868 is about 53163.7269950104. The cubic root of 2826381868 is about 1413.8726040524.

The spelling of 2826381868 in words is "two billion, eight hundred twenty-six million, three hundred eighty-one thousand, eight hundred sixty-eight".