63686060 has 12 divisors (see below), whose sum is σ = 133740768. Its totient is φ = 25474416.

The previous prime is 63686041. The next prime is 63686069. The reversal of 63686060 is 6068636.

It is a self number, because there is not a number n which added to its sum of digits gives 63686060.

It is not an unprimeable number, because it can be changed into a prime (63686069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1592132 + ... + 1592171.

It is an arithmetic number, because the mean of its divisors is an integer number (11145064).

Almost surely, 2^63686060 is an apocalyptic number.

It is an amenable number.

63686060 is an abundant number, since it is smaller than the sum of its proper divisors (70054708).

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

63686060 is a wasteful number, since it uses less digits than its factorization.

63686060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184312 (or 3184310 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 63686060 is about 7980.3546287117. The cubic root of 63686060 is about 399.3448859831.

The spelling of 63686060 in words is "sixty-three million, six hundred eighty-six thousand, sixty".