63725078725 has 96 divisors (see below), whose sum is σ = 103537944576. Its totient is φ = 37750406400.

The previous prime is 63725078723. The next prime is 63725078749. The reversal of 63725078725 is 52787052736.

It is not a de Polignac number, because 63725078725 - 2¹ = 63725078723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63725078723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3052272 + ... + 3073078.

It is an arithmetic number, because the mean of its divisors is an integer number (1078520256).

Almost surely, 2^63725078725 is an apocalyptic number.

It is an amenable number.

63725078725 is a deficient number, since it is larger than the sum of its proper divisors (39812865851).

63725078725 is a wasteful number, since it uses less digits than its factorization.

63725078725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20915 (or 20910 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 52.

The spelling of 63725078725 in words is "sixty-three billion, seven hundred twenty-five million, seventy-eight thousand, seven hundred twenty-five".