63725115784 has 32 divisors (see below), whose sum is σ = 136014085440. Its totient is φ = 27706571200.

The previous prime is 63725115767. The next prime is 63725115787. The reversal of 63725115784 is 48751152736.

It is not an unprimeable number, because it can be changed into a prime (63725115787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15740347 + ... + 15744394.

It is an arithmetic number, because the mean of its divisors is an integer number (4250440170).

Almost surely, 2^63725115784 is an apocalyptic number.

It is an amenable number.

63725115784 is an abundant number, since it is smaller than the sum of its proper divisors (72288969656).

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

63725115784 is a wasteful number, since it uses less digits than its factorization.

63725115784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31484781 (or 31484777 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 49.

The spelling of 63725115784 in words is "sixty-three billion, seven hundred twenty-five million, one hundred fifteen thousand, seven hundred eighty-four".