63676808 has 64 divisors (see below), whose sum is σ = 136382400. Its totient is φ = 27659520.

The previous prime is 63676807. The next prime is 63676829. The reversal of 63676808 is 80867636.

It is not an unprimeable number, because it can be changed into a prime (63676807) 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, 129443 + ... + 129933.

It is an arithmetic number, because the mean of its divisors is an integer number (2130975).

Almost surely, 2^63676808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63676808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68191200).

63676808 is an abundant number, since it is smaller than the sum of its proper divisors (72705592).

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

63676808 is a wasteful number, since it uses less digits than its factorization.

63676808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 63676808 is about 7979.7749341695. The cubic root of 63676808 is about 399.3255467545.

The spelling of 63676808 in words is "sixty-three million, six hundred seventy-six thousand, eight hundred eight".