63718485 has 16 divisors (see below), whose sum is σ = 105239040. Its totient is φ = 32886720.

The previous prime is 63718483. The next prime is 63718507. The reversal of 63718485 is 58481736.

It is not a de Polignac number, because 63718485 - 2¹ = 63718483 is a prime.

It is a super-5 number, since 5×63718485⁵ (a number of 40 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63718483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68050 + ... + 68979.

It is an arithmetic number, because the mean of its divisors is an integer number (6577440).

Almost surely, 2^63718485 is an apocalyptic number.

It is an amenable number.

63718485 is a deficient number, since it is larger than the sum of its proper divisors (41520555).

63718485 is a wasteful number, since it uses less digits than its factorization.

63718485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137068.

The product of its digits is 161280, while the sum is 42.

The square root of 63718485 is about 7982.3859215149. The cubic root of 63718485 is about 399.4126483840.

The spelling of 63718485 in words is "sixty-three million, seven hundred eighteen thousand, four hundred eighty-five".