63389087 has 2 divisors, whose sum is σ = 63389088. Its totient is φ = 63389086.

The previous prime is 63389077. The next prime is 63389089. The reversal of 63389087 is 78098336.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63389087 - 2⁴ = 63389071 is a prime.

Together with 63389089, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63389089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31694543 + 31694544.

It is an arithmetic number, because the mean of its divisors is an integer number (31694544).

Almost surely, 2^63389087 is an apocalyptic number.

63389087 is a deficient number, since it is larger than the sum of its proper divisors (1).

63389087 is an equidigital number, since it uses as much as digits as its factorization.

63389087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 63389087 is about 7961.7263831408. The cubic root of 63389087 is about 398.7231933316.

The spelling of 63389087 in words is "sixty-three million, three hundred eighty-nine thousand, eighty-seven".