8278668 has 18 divisors (see below), whose sum is σ = 20926724. Its totient is φ = 2759544.

The previous prime is 8278663. The next prime is 8278681. The reversal of 8278668 is 8668728.

8278668 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (8278663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114946 + ... + 115017.

Almost surely, 2^8278668 is an apocalyptic number.

It is an amenable number.

8278668 is an abundant number, since it is smaller than the sum of its proper divisors (12648056).

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

8278668 is a wasteful number, since it uses less digits than its factorization.

8278668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229973 (or 229968 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 8278668 is about 2877.2674536789. The cubic root of 8278668 is about 202.2957794817.

The spelling of 8278668 in words is "eight million, two hundred seventy-eight thousand, six hundred sixty-eight".