63952775895 has 32 divisors (see below), whose sum is σ = 102784872960. Its totient is φ = 33955021440.

The previous prime is 63952775893. The next prime is 63952775921. The reversal of 63952775895 is 59857725936.

It is not a de Polignac number, because 63952775895 - 2¹ = 63952775893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63952775893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3025152 + ... + 3046218.

It is an arithmetic number, because the mean of its divisors is an integer number (3212027280).

Almost surely, 2^63952775895 is an apocalyptic number.

63952775895 is a deficient number, since it is larger than the sum of its proper divisors (38832097065).

63952775895 is a wasteful number, since it uses less digits than its factorization.

63952775895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21975.

The product of its digits is 142884000, while the sum is 66.

The spelling of 63952775895 in words is "sixty-three billion, nine hundred fifty-two million, seven hundred seventy-five thousand, eight hundred ninety-five".