8679978 has 24 divisors (see below), whose sum is σ = 19316388. Its totient is φ = 2814912.

The previous prime is 8679973. The next prime is 8679991. The reversal of 8679978 is 8799768.

It can be written as a sum of positive squares in 2 ways, for example, as 7969329 + 710649 = 2823^2 + 843^2 .

It is not an unprimeable number, because it can be changed into a prime (8679971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5851 + ... + 7182.

Almost surely, 2^8679978 is an apocalyptic number.

8679978 is an abundant number, since it is smaller than the sum of its proper divisors (10636410).

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

8679978 is a wasteful number, since it uses less digits than its factorization.

8679978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13078 (or 13075 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 54.

The square root of 8679978 is about 2946.1802388856. The cubic root of 8679978 is about 205.5131147614.

The spelling of 8679978 in words is "eight million, six hundred seventy-nine thousand, nine hundred seventy-eight".