8978128 has 20 divisors (see below), whose sum is σ = 17766720. Its totient is φ = 4393184.

The previous prime is 8978117. The next prime is 8978129. The reversal of 8978128 is 8218798.

8978128 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 (8978129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5218 + ... + 6721.

It is an arithmetic number, because the mean of its divisors is an integer number (888336).

Almost surely, 2^8978128 is an apocalyptic number.

It is an amenable number.

8978128 is a deficient number, since it is larger than the sum of its proper divisors (8788592).

8978128 is a wasteful number, since it uses less digits than its factorization.

8978128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11994 (or 11988 counting only the distinct ones).

The product of its digits is 64512, while the sum is 43.

The square root of 8978128 is about 2996.3524492289. The cubic root of 8978128 is about 207.8397434236.

It can be divided in two parts, 8978 and 128, that multiplied together give a square (1149184 = 1072²).

The spelling of 8978128 in words is "eight million, nine hundred seventy-eight thousand, one hundred twenty-eight".