8978047 has 8 divisors (see below), whose sum is σ = 9694944. Its totient is φ = 8264928.

The previous prime is 8977961. The next prime is 8978059. The reversal of 8978047 is 7408798.

8978047 is digitally balanced in base 3, 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 a cyclic number.

It is not a de Polignac number, because 8978047 - 2¹⁹ = 8453759 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8977994 and 8978012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8970047) 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, 5853 + ... + 7225.

It is an arithmetic number, because the mean of its divisors is an integer number (1211868).

Almost surely, 2^8978047 is an apocalyptic number.

8978047 is a deficient number, since it is larger than the sum of its proper divisors (716897).

8978047 is a wasteful number, since it uses less digits than its factorization.

8978047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 8978047 is about 2996.3389327644. The cubic root of 8978047 is about 207.8391183836.

The spelling of 8978047 in words is "eight million, nine hundred seventy-eight thousand, forty-seven".