63725928900585 has 128 divisors (see below), whose sum is σ = 123475551952896. Its totient is φ = 27435359508480.

The previous prime is 63725928900583. The next prime is 63725928900617. The reversal of 63725928900585 is 58500982952736.

It is not a de Polignac number, because 63725928900585 - 2¹ = 63725928900583 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is not an unprimeable number, because it can be changed into a prime (63725928900583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 100347919 + ... + 100980971.

It is an arithmetic number, because the mean of its divisors is an integer number (964652749632).

Almost surely, 2^{63725928900585} is an apocalyptic number.

It is an amenable number.

63725928900585 is a deficient number, since it is larger than the sum of its proper divisors (59749623052311).

63725928900585 is a wasteful number, since it uses less digits than its factorization.

63725928900585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633735.

The product of its (nonzero) digits is 326592000, while the sum is 69.

The spelling of 63725928900585 in words is "sixty-three trillion, seven hundred twenty-five billion, nine hundred twenty-eight million, nine hundred thousand, five hundred eighty-five".