63608820 has 48 divisors (see below), whose sum is σ = 194298048. Its totient is φ = 15420160.

The previous prime is 63608819. The next prime is 63608821. The reversal of 63608820 is 2880636.

It is an interprime number because it is at equal distance from previous prime (63608819) and next prime (63608821).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63608821) 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, 47529 + ... + 48848.

It is an arithmetic number, because the mean of its divisors is an integer number (4047876).

Almost surely, 2^63608820 is an apocalyptic number.

63608820 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63608820 is an abundant number, since it is smaller than the sum of its proper divisors (130689228).

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

63608820 is a wasteful number, since it uses less digits than its factorization.

63608820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96400 (or 96398 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 63608820 is about 7975.5137765538. The cubic root of 63608820 is about 399.1833756127.

The spelling of 63608820 in words is "sixty-three million, six hundred eight thousand, eight hundred twenty".