2857253812 has 48 divisors (see below), whose sum is σ = 5891189248. Its totient is φ = 1186928640.

The previous prime is 2857253807. The next prime is 2857253813. The reversal of 2857253812 is 2183527582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2857253813) 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 15 ways as a sum of consecutive naturals, for example, 275668 + ... + 285844.

Almost surely, 2^2857253812 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 2857253812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2945594624).

2857253812 is an abundant number, since it is smaller than the sum of its proper divisors (3033935436).

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

2857253812 is a wasteful number, since it uses less digits than its factorization.

2857253812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10496 (or 10494 counting only the distinct ones).

The product of its digits is 268800, while the sum is 43.

The square root of 2857253812 is about 53453.2862600608. The cubic root of 2857253812 is about 1419.0017800945.

The spelling of 2857253812 in words is "two billion, eight hundred fifty-seven million, two hundred fifty-three thousand, eight hundred twelve".