2863531872 has 192 divisors, whose sum is σ = 8584047360. Its totient is φ = 928392192.

The previous prime is 2863531871. The next prime is 2863531919. The reversal of 2863531872 is 2781353682.

2863531872 is a `hidden beast` number, since 2 + 8 + 635 + 3 + 1 + 8 + 7 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2863531871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5234703 + ... + 5235249.

It is an arithmetic number, because the mean of its divisors is an integer number (44708580).

Almost surely, 2^2863531872 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 2863531872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4292023680).

2863531872 is an abundant number, since it is smaller than the sum of its proper divisors (5720515488).

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

2863531872 is a wasteful number, since it uses less digits than its factorization.

2863531872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722 (or 708 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 2863531872 is about 53511.9787711125. The cubic root of 2863531872 is about 1420.0403136079.

The spelling of 2863531872 in words is "two billion, eight hundred sixty-three million, five hundred thirty-one thousand, eight hundred seventy-two".