63955795 has 8 divisors (see below), whose sum is σ = 78821424. Its totient is φ = 49781664.

The previous prime is 63955783. The next prime is 63955799. The reversal of 63955795 is 59755936.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63955795 - 2⁵ = 63955763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63955799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172669 + ... + 173038.

It is an arithmetic number, because the mean of its divisors is an integer number (9852678).

Almost surely, 2^63955795 is an apocalyptic number.

63955795 is a deficient number, since it is larger than the sum of its proper divisors (14865629).

63955795 is a wasteful number, since it uses less digits than its factorization.

63955795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345749.

The product of its digits is 1275750, while the sum is 49.

The square root of 63955795 is about 7997.2367102644. The cubic root of 63955795 is about 399.9078850387.

The spelling of 63955795 in words is "sixty-three million, nine hundred fifty-five thousand, seven hundred ninety-five".