2278889968 has 10 divisors (see below), whose sum is σ = 4415349344. Its totient is φ = 1139444976.

The previous prime is 2278889957. The next prime is 2278889971. The reversal of 2278889968 is 8699888722.

2278889968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71215296 + ... + 71215327.

Almost surely, 2^2278889968 is an apocalyptic number.

It is an amenable number.

2278889968 is a deficient number, since it is larger than the sum of its proper divisors (2136459376).

2278889968 is a wasteful number, since it uses less digits than its factorization.

2278889968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142430631 (or 142430625 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 67.

The square root of 2278889968 is about 47737.7205991237. The cubic root of 2278889968 is about 1315.9552434097.

The spelling of 2278889968 in words is "two billion, two hundred seventy-eight million, eight hundred eighty-nine thousand, nine hundred sixty-eight".