8864987 has 2 divisors, whose sum is σ = 8864988. Its totient is φ = 8864986.

The previous prime is 8864969. The next prime is 8864993. The reversal of 8864987 is 7894688.

8864987 is digitally balanced in base 2, 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 8864987 - 2⁸ = 8864731 is a prime.

It is not a weakly prime, because it can be changed into another prime (8864917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4432493 + 4432494.

It is an arithmetic number, because the mean of its divisors is an integer number (4432494).

Almost surely, 2^8864987 is an apocalyptic number.

8864987 is a deficient number, since it is larger than the sum of its proper divisors (1).

8864987 is an equidigital number, since it uses as much as digits as its factorization.

8864987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 50.

The square root of 8864987 is about 2977.4128030893. The cubic root of 8864987 is about 206.9629952444.

Subtracting from 8864987 its reverse (7894688), we obtain a cube (970299 = 99³).

The spelling of 8864987 in words is "eight million, eight hundred sixty-four thousand, nine hundred eighty-seven".