63984007 has 2 divisors, whose sum is σ = 63984008. Its totient is φ = 63984006.

The previous prime is 63983951. The next prime is 63984017. The reversal of 63984007 is 70048936.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63984007 - 2¹⁹ = 63459719 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63984017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31992003 + 31992004.

It is an arithmetic number, because the mean of its divisors is an integer number (31992004).

Almost surely, 2^63984007 is an apocalyptic number.

63984007 is a deficient number, since it is larger than the sum of its proper divisors (1).

63984007 is an equidigital number, since it uses as much as digits as its factorization.

63984007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 63984007 is about 7999.0003750469. Note that the first 3 decimals coincide. The cubic root of 63984007 is about 399.9666784743.

The spelling of 63984007 in words is "sixty-three million, nine hundred eighty-four thousand, seven".