8978287 has 2 divisors, whose sum is σ = 8978288. Its totient is φ = 8978286.

The previous prime is 8978273. The next prime is 8978297. The reversal of 8978287 is 7828798.

8978287 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.

It is a cyclic number.

It is not a de Polignac number, because 8978287 - 2¹⁹ = 8453999 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8978287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8978237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4489143 + 4489144.

It is an arithmetic number, because the mean of its divisors is an integer number (4489144).

Almost surely, 2^8978287 is an apocalyptic number.

8978287 is a deficient number, since it is larger than the sum of its proper divisors (1).

8978287 is an equidigital number, since it uses as much as digits as its factorization.

8978287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 49.

The square root of 8978287 is about 2996.3789813707. The cubic root of 8978287 is about 207.8409703433.

The spelling of 8978287 in words is "eight million, nine hundred seventy-eight thousand, two hundred eighty-seven".