8533978 has 8 divisors (see below), whose sum is σ = 13073472. Its totient is φ = 4176156.

The previous prime is 8533951. The next prime is 8533979. The reversal of 8533978 is 8793358.

It is a happy number.

8533978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (8533979) 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, 45300 + ... + 45487.

It is an arithmetic number, because the mean of its divisors is an integer number (1634184).

Almost surely, 2^8533978 is an apocalyptic number.

8533978 is a deficient number, since it is larger than the sum of its proper divisors (4539494).

8533978 is a wasteful number, since it uses less digits than its factorization.

8533978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90836.

The product of its digits is 181440, while the sum is 43.

The square root of 8533978 is about 2921.2973145505. The cubic root of 8533978 is about 204.3543278227.

Subtracting from 8533978 its product of digits (181440), we obtain a palindrome (8352538).

The spelling of 8533978 in words is "eight million, five hundred thirty-three thousand, nine hundred seventy-eight".