52478738672 has 20 divisors (see below), whose sum is σ = 102684267816. Its totient is φ = 25979572800.

The previous prime is 52478738671. The next prime is 52478738677. The reversal of 52478738672 is 27683787425.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52478738671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16235618 + ... + 16238849.

Almost surely, 2^52478738672 is an apocalyptic number.

It is an amenable number.

52478738672 is a deficient number, since it is larger than the sum of its proper divisors (50205529144).

52478738672 is a wasteful number, since it uses less digits than its factorization.

52478738672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32474576 (or 32474570 counting only the distinct ones).

The product of its digits is 31610880, while the sum is 59.

The spelling of 52478738672 in words is "fifty-two billion, four hundred seventy-eight million, seven hundred thirty-eight thousand, six hundred seventy-two".