63788625 has 24 divisors (see below), whose sum is σ = 114991656. Its totient is φ = 34020000.

The previous prime is 63788611. The next prime is 63788633. The reversal of 63788625 is 52688736.

63788625 is a `hidden beast` number, since 637 + 8 + 8 + 6 + 2 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1252161 + 62536464 = 1119^2 + 7908^2 .

It is not a de Polignac number, because 63788625 - 2⁶ = 63788561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27226 + ... + 29475.

It is an arithmetic number, because the mean of its divisors is an integer number (4791319).

Almost surely, 2^63788625 is an apocalyptic number.

It is an amenable number.

63788625 is a deficient number, since it is larger than the sum of its proper divisors (51203031).

63788625 is a wasteful number, since it uses less digits than its factorization.

63788625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56722 (or 56709 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 63788625 is about 7986.7781363952. The cubic root of 63788625 is about 399.5591497227.

The spelling of 63788625 in words is "sixty-three million, seven hundred eighty-eight thousand, six hundred twenty-five".