63788713 has 4 divisors (see below), whose sum is σ = 63843028. Its totient is φ = 63734400.

The previous prime is 63788693. The next prime is 63788749. The reversal of 63788713 is 31788736.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10323369 + 53465344 = 3213^2 + 7312^2 .

It is a cyclic number.

It is not a de Polignac number, because 63788713 - 2¹⁷ = 63657641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63788713.

It is not an unprimeable number, because it can be changed into a prime (63788113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25356 + ... + 27757.

It is an arithmetic number, because the mean of its divisors is an integer number (15960757).

Almost surely, 2^63788713 is an apocalyptic number.

It is an amenable number.

63788713 is a deficient number, since it is larger than the sum of its proper divisors (54315).

63788713 is a wasteful number, since it uses less digits than its factorization.

63788713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54314.

The product of its digits is 169344, while the sum is 43.

The square root of 63788713 is about 7986.7836454984. The cubic root of 63788713 is about 399.5593334608.

The spelling of 63788713 in words is "sixty-three million, seven hundred eighty-eight thousand, seven hundred thirteen".