63880540516 has 27 divisors (see below), whose sum is σ = 121064188203. Its totient is φ = 29480293440.

The previous prime is 63880540513. The next prime is 63880540517. The reversal of 63880540516 is 61504508836.

The square root of 63880540516 is 252746.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 46272312100 + 17608228416 = 215110^2 + 132696^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63880540513) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6566536 + ... + 6576256.

Almost surely, 2^63880540516 is an apocalyptic number.

63880540516 is the 252746-th square number.

It is an amenable number.

63880540516 is a deficient number, since it is larger than the sum of its proper divisors (57183647687).

63880540516 is an frugal number, since it uses more digits than its factorization.

63880540516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19472 (or 9736 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 63880540516 in words is "sixty-three billion, eight hundred eighty million, five hundred forty thousand, five hundred sixteen".