63958895 has 48 divisors (see below), whose sum is σ = 103721472. Its totient is φ = 36766080.

The previous prime is 63958889. The next prime is 63958897. The reversal of 63958895 is 59885936.

It is not a de Polignac number, because 63958895 - 2⁶ = 63958831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63958897) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64574 + ... + 65556.

It is an arithmetic number, because the mean of its divisors is an integer number (2160864).

Almost surely, 2^63958895 is an apocalyptic number.

63958895 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

63958895 is a deficient number, since it is larger than the sum of its proper divisors (39762577).

63958895 is a wasteful number, since it uses less digits than its factorization.

63958895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032 (or 1019 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 53.

The square root of 63958895 is about 7997.4305248623. The cubic root of 63958895 is about 399.9143462432.

The spelling of 63958895 in words is "sixty-three million, nine hundred fifty-eight thousand, eight hundred ninety-five".