8027978 has 32 divisors (see below), whose sum is σ = 14774400. Its totient is φ = 3193344.

The previous prime is 8027969. The next prime is 8028019. The reversal of 8027978 is 8797208.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20993 + ... + 21371.

It is an arithmetic number, because the mean of its divisors is an integer number (461700).

Almost surely, 2^8027978 is an apocalyptic number.

8027978 is a deficient number, since it is larger than the sum of its proper divisors (6746422).

8027978 is a wasteful number, since it uses less digits than its factorization.

8027978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 8027978 is about 2833.3686664464. The cubic root of 8027978 is about 200.2328787322.

The spelling of 8027978 in words is "eight million, twenty-seven thousand, nine hundred seventy-eight".