63323987 has 2 divisors, whose sum is σ = 63323988. Its totient is φ = 63323986.

The previous prime is 63323971. The next prime is 63323999. The reversal of 63323987 is 78932336.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63323987 - 2⁴ = 63323971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63323927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31661993 + 31661994.

It is an arithmetic number, because the mean of its divisors is an integer number (31661994).

Almost surely, 2^63323987 is an apocalyptic number.

63323987 is a deficient number, since it is larger than the sum of its proper divisors (1).

63323987 is an equidigital number, since it uses as much as digits as its factorization.

63323987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 41.

The square root of 63323987 is about 7957.6370236396. The cubic root of 63323987 is about 398.5866515807.

The spelling of 63323987 in words is "sixty-three million, three hundred twenty-three thousand, nine hundred eighty-seven".