9878671 has 8 divisors (see below), whose sum is σ = 10814544. Its totient is φ = 8949120.

The previous prime is 9878657. The next prime is 9878731. The reversal of 9878671 is 1768789.

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 9878671 - 2¹¹ = 9876623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9878611) 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, 2071 + ... + 4903.

It is an arithmetic number, because the mean of its divisors is an integer number (1351818).

Almost surely, 2^9878671 is an apocalyptic number.

9878671 is a deficient number, since it is larger than the sum of its proper divisors (935873).

9878671 is a wasteful number, since it uses less digits than its factorization.

9878671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161.

The product of its digits is 169344, while the sum is 46.

The square root of 9878671 is about 3143.0353163781. The cubic root of 9878671 is about 214.5686031635.

The spelling of 9878671 in words is "nine million, eight hundred seventy-eight thousand, six hundred seventy-one".