63875120 has 80 divisors (see below), whose sum is σ = 159820128. Its totient is φ = 23654400.

The previous prime is 63875107. The next prime is 63875153. The reversal of 63875120 is 2157836.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90770 + ... + 91470.

Almost surely, 2^63875120 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 63875120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79910064).

63875120 is an abundant number, since it is smaller than the sum of its proper divisors (95945008).

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

63875120 is a wasteful number, since it uses less digits than its factorization.

63875120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798 (or 792 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 63875120 is about 7992.1911889043. The cubic root of 63875120 is about 399.7396639329.

The spelling of 63875120 in words is "sixty-three million, eight hundred seventy-five thousand, one hundred twenty".