63995085 has 144 divisors (see below), whose sum is σ = 147393792. Its totient is φ = 25090560.

The previous prime is 63995077. The next prime is 63995111. The reversal of 63995085 is 58059936.

63995085 is a `hidden beast` number, since 639 + 9 + 5 + 0 + 8 + 5 = 666.

It is not a de Polignac number, because 63995085 - 2³ = 63995077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 63995085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 876609 + ... + 876681.

It is an arithmetic number, because the mean of its divisors is an integer number (1023568).

Almost surely, 2^63995085 is an apocalyptic number.

It is an amenable number.

63995085 is an abundant number, since it is smaller than the sum of its proper divisors (83398707).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63995085 is a wasteful number, since it uses less digits than its factorization.

63995085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 63995085 is about 7999.6928066020. The cubic root of 63995085 is about 399.9897601545.

The spelling of 63995085 in words is "sixty-three million, nine hundred ninety-five thousand, eighty-five".