9478687 has 2 divisors, whose sum is σ = 9478688. Its totient is φ = 9478686.

The previous prime is 9478681. The next prime is 9478717. The reversal of 9478687 is 7868749.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9478687 - 2⁷ = 9478559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9478687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9478681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4739343 + 4739344.

It is an arithmetic number, because the mean of its divisors is an integer number (4739344).

Almost surely, 2^9478687 is an apocalyptic number.

9478687 is a deficient number, since it is larger than the sum of its proper divisors (1).

9478687 is an equidigital number, since it uses as much as digits as its factorization.

9478687 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 9478687 is about 3078.7476349971. The cubic root of 9478687 is about 211.6326779768.

The spelling of 9478687 in words is "nine million, four hundred seventy-eight thousand, six hundred eighty-seven".