8728278 has 32 divisors (see below), whose sum is σ = 18912096. Its totient is φ = 2669568.

The previous prime is 8728273. The next prime is 8728289.

8728278 is nontrivially palindromic in base 10.

8728278 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 not an unprimeable number, because it can be changed into a prime (8728273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24550 + ... + 24902.

It is an arithmetic number, because the mean of its divisors is an integer number (591003).

Almost surely, 2^8728278 is an apocalyptic number.

8728278 is an abundant number, since it is smaller than the sum of its proper divisors (10183818).

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

8728278 is a wasteful number, since it uses less digits than its factorization.

8728278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688.

The product of its digits is 100352, while the sum is 42.

The square root of 8728278 is about 2954.3659218181. The cubic root of 8728278 is about 205.8936045295.

The spelling of 8728278 in words is "eight million, seven hundred twenty-eight thousand, two hundred seventy-eight".