2813224878 has 16 divisors (see below), whose sum is σ = 6251610960. Its totient is φ = 937741608.

The previous prime is 2813224849. The next prime is 2813224919. The reversal of 2813224878 is 8784223182.

2813224878 is a `hidden beast` number, since 281 + 322 + 48 + 7 + 8 = 666.

It is a super-2 number, since 2×2813224878² = 15828468428396229768, which contains 22 as substring.

It is a congruent number.

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, 26048325 + ... + 26048432.

It is an arithmetic number, because the mean of its divisors is an integer number (390725685).

Almost surely, 2^2813224878 is an apocalyptic number.

2813224878 is an abundant number, since it is smaller than the sum of its proper divisors (3438386082).

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

2813224878 is a wasteful number, since it uses less digits than its factorization.

2813224878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52096768 (or 52096762 counting only the distinct ones).

The product of its digits is 344064, while the sum is 45.

The square root of 2813224878 is about 53039.8423640191. The cubic root of 2813224878 is about 1411.6753015828.

The spelling of 2813224878 in words is "two billion, eight hundred thirteen million, two hundred twenty-four thousand, eight hundred seventy-eight".