63716077893 has 8 divisors (see below), whose sum is σ = 91489752928. Its totient is φ = 39209894064.

The previous prime is 63716077813. The next prime is 63716077907. The reversal of 63716077893 is 39877061736.

It is a happy number.

63716077893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63716077893 - 2⁸ = 63716077637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63716077813) 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, 816872755 + ... + 816872832.

It is an arithmetic number, because the mean of its divisors is an integer number (11436219116).

Almost surely, 2^63716077893 is an apocalyptic number.

It is an amenable number.

63716077893 is a deficient number, since it is larger than the sum of its proper divisors (27773675035).

63716077893 is a wasteful number, since it uses less digits than its factorization.

63716077893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633745603.

The product of its (nonzero) digits is 8001504, while the sum is 57.

The spelling of 63716077893 in words is "sixty-three billion, seven hundred sixteen million, seventy-seven thousand, eight hundred ninety-three".