2281678768 has 20 divisors (see below), whose sum is σ = 4423520200. Its totient is φ = 1140125184.

The previous prime is 2281678753. The next prime is 2281678781. The reversal of 2281678768 is 8678761822.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17793 + ... + 69856.

It is an arithmetic number, because the mean of its divisors is an integer number (221176010).

Almost surely, 2^2281678768 is an apocalyptic number.

It is an amenable number.

2281678768 is a deficient number, since it is larger than the sum of its proper divisors (2141841432).

2281678768 is a wasteful number, since it uses less digits than its factorization.

2281678768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89284 (or 89278 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 55.

The square root of 2281678768 is about 47766.9212740365. The cubic root of 2281678768 is about 1316.4918262810.

The spelling of 2281678768 in words is "two billion, two hundred eighty-one million, six hundred seventy-eight thousand, seven hundred sixty-eight".