63718995 has 16 divisors (see below), whose sum is σ = 104706720. Its totient is φ = 33064704.

The previous prime is 63718979. The next prime is 63719023. The reversal of 63718995 is 59981736.

63718995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63718995 - 2⁴ = 63718979 is a prime.

It is a super-2 number, since 2×63718995² = 8120220647620050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56850 + ... + 57959.

It is an arithmetic number, because the mean of its divisors is an integer number (6544170).

Almost surely, 2^63718995 is an apocalyptic number.

63718995 is a deficient number, since it is larger than the sum of its proper divisors (40987725).

63718995 is a wasteful number, since it uses less digits than its factorization.

63718995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114854.

The product of its digits is 408240, while the sum is 48.

The square root of 63718995 is about 7982.4178667870. The cubic root of 63718995 is about 399.4137140084.

The spelling of 63718995 in words is "sixty-three million, seven hundred eighteen thousand, nine hundred ninety-five".