8063978 has 16 divisors (see below), whose sum is σ = 13305600. Its totient is φ = 3642096.

The previous prime is 8063971. The next prime is 8063981. The reversal of 8063978 is 8793608.

It is not an unprimeable number, because it can be changed into a prime (8063971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2078 + ... + 4521.

It is an arithmetic number, because the mean of its divisors is an integer number (831600).

Almost surely, 2^8063978 is an apocalyptic number.

8063978 is a deficient number, since it is larger than the sum of its proper divisors (5241622).

8063978 is a wasteful number, since it uses less digits than its factorization.

8063978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6661.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 8063978 is about 2839.7144222615. The cubic root of 8063978 is about 200.5317350364.

The spelling of 8063978 in words is "eight million, sixty-three thousand, nine hundred seventy-eight".