63059985 has 32 divisors (see below), whose sum is σ = 112613760. Its totient is φ = 33480000.

The previous prime is 63059981. The next prime is 63060001. The reversal of 63059985 is 58995036.

63059985 is a `hidden beast` number, since 630 + 5 + 9 + 9 + 8 + 5 = 666.

It is not a de Polignac number, because 63059985 - 2² = 63059981 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 63059985.

It is not an unprimeable number, because it can be changed into a prime (63059981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32955 + ... + 34815.

It is an arithmetic number, because the mean of its divisors is an integer number (3519180).

Almost surely, 2^63059985 is an apocalyptic number.

It is an amenable number.

63059985 is a deficient number, since it is larger than the sum of its proper divisors (49553775).

63059985 is a wasteful number, since it uses less digits than its factorization.

63059985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126 (or 2120 counting only the distinct ones).

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

The square root of 63059985 is about 7941.0317339751. The cubic root of 63059985 is about 398.0319684261.

It can be divided in two parts, 6305 and 9985, that added together give a triangular number (16290 = T₁₈₀).

The spelling of 63059985 in words is "sixty-three million, fifty-nine thousand, nine hundred eighty-five".