63895897 has 8 divisors (see below), whose sum is σ = 69007680. Its totient is φ = 58812240.

The previous prime is 63895873. The next prime is 63895901. The reversal of 63895897 is 79859836.

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 a de Polignac number, because none of the positive numbers 2^k-63895897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63895297) 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, 2179 + ... + 11512.

It is an arithmetic number, because the mean of its divisors is an integer number (8625960).

Almost surely, 2^63895897 is an apocalyptic number.

It is an amenable number.

63895897 is a deficient number, since it is larger than the sum of its proper divisors (5111783).

63895897 is a wasteful number, since it uses less digits than its factorization.

63895897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14063.

The product of its digits is 3265920, while the sum is 55.

The square root of 63895897 is about 7993.4909144879. The cubic root of 63895897 is about 399.7830010499.

The spelling of 63895897 in words is "sixty-three million, eight hundred ninety-five thousand, eight hundred ninety-seven".