283778668 has 24 divisors (see below), whose sum is σ = 508132800. Its totient is φ = 138609408.

The previous prime is 283778657. The next prime is 283778707. The reversal of 283778668 is 866877382.

283778668 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 132228 + ... + 134356.

It is an arithmetic number, because the mean of its divisors is an integer number (21172200).

Almost surely, 2^283778668 is an apocalyptic number.

It is an amenable number.

283778668 is a deficient number, since it is larger than the sum of its proper divisors (224354132).

283778668 is a wasteful number, since it uses less digits than its factorization.

283778668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2889 (or 2887 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 55.

The square root of 283778668 is about 16845.7314474617. The cubic root of 283778668 is about 657.1430442073.

The spelling of 283778668 in words is "two hundred eighty-three million, seven hundred seventy-eight thousand, six hundred sixty-eight".