2243695878 has 24 divisors (see below), whose sum is σ = 4870692216. Its totient is φ = 746460000.

The previous prime is 2243695877. The next prime is 2243695879. The reversal of 2243695878 is 8785963422.

2243695878 is a `hidden beast` number, since 2 + 24 + 36 + 9 + 587 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (2243695877) and next prime (2243695879).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243695877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110248 + ... + 129003.

It is an arithmetic number, because the mean of its divisors is an integer number (202945509).

Almost surely, 2^2243695878 is an apocalyptic number.

2243695878 is an abundant number, since it is smaller than the sum of its proper divisors (2626996338).

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

2243695878 is a wasteful number, since it uses less digits than its factorization.

2243695878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239780 (or 239777 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 2243695878 is about 47367.6670103141. The cubic root of 2243695878 is about 1309.1457394990.

The spelling of 2243695878 in words is "two billion, two hundred forty-three million, six hundred ninety-five thousand, eight hundred seventy-eight".