9878467 has 2 divisors, whose sum is σ = 9878468. Its totient is φ = 9878466.

The previous prime is 9878419. The next prime is 9878471. The reversal of 9878467 is 7648789.

9878467 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

9878467 is a truncatable prime.

It is an emirp because it is prime and its reverse (7648789) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9878467 is a prime.

It is a super-2 number, since 2×9878467² = 195168220540178, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 9878467.

It is not a weakly prime, because it can be changed into another prime (9878567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4939233 + 4939234.

It is an arithmetic number, because the mean of its divisors is an integer number (4939234).

Almost surely, 2^9878467 is an apocalyptic number.

9878467 is a deficient number, since it is larger than the sum of its proper divisors (1).

9878467 is an equidigital number, since it uses as much as digits as its factorization.

9878467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 49.

The square root of 9878467 is about 3143.0028635049. The cubic root of 9878467 is about 214.5671261667.

The spelling of 9878467 in words is "nine million, eight hundred seventy-eight thousand, four hundred sixty-seven".