2856533875 has 48 divisors (see below), whose sum is σ = 4014567648. Its totient is φ = 2017118400.

The previous prime is 2856533861. The next prime is 2856533909. The reversal of 2856533875 is 5783356582.

It is a happy number.

It is not a de Polignac number, because 2856533875 - 2⁷ = 2856533747 is a prime.

It is a super-4 number, since 4×2856533875⁴ (a number of 39 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 857964 + ... + 861286.

It is an arithmetic number, because the mean of its divisors is an integer number (83636826).

Almost surely, 2^2856533875 is an apocalyptic number.

2856533875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2856533875 is a deficient number, since it is larger than the sum of its proper divisors (1158033773).

2856533875 is a wasteful number, since it uses less digits than its factorization.

2856533875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3397 (or 3364 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 52.

The square root of 2856533875 is about 53446.5515725758. The cubic root of 2856533875 is about 1418.8825889916.

The spelling of 2856533875 in words is "two billion, eight hundred fifty-six million, five hundred thirty-three thousand, eight hundred seventy-five".