2857827969 has 24 divisors (see below), whose sum is σ = 4298890752. Its totient is φ = 1827423360.

The previous prime is 2857827949. The next prime is 2857827991. The reversal of 2857827969 is 9697287582.

It is not a de Polignac number, because 2857827969 - 2⁵ = 2857827937 is a prime.

It is a super-2 number, since 2×2857827969² = 16334361400797329922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2857827919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13797 + ... + 76850.

It is an arithmetic number, because the mean of its divisors is an integer number (179120448).

Almost surely, 2^2857827969 is an apocalyptic number.

It is an amenable number.

2857827969 is a deficient number, since it is larger than the sum of its proper divisors (1441062783).

2857827969 is a wasteful number, since it uses less digits than its factorization.

2857827969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90797 (or 90794 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 63.

The square root of 2857827969 is about 53458.6566329533. The cubic root of 2857827969 is about 1419.0968218481.

The spelling of 2857827969 in words is "two billion, eight hundred fifty-seven million, eight hundred twenty-seven thousand, nine hundred sixty-nine".