63827716858 has 8 divisors (see below), whose sum is σ = 95808578580. Its totient is φ = 31891524000.

The previous prime is 63827716853. The next prime is 63827716859. The reversal of 63827716858 is 85861772836.

It can be written as a sum of positive squares in 2 ways, for example, as 56438079489 + 7389637369 = 237567^2 + 85963^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 63827716796 and 63827716805.

It is not an unprimeable number, because it can be changed into a prime (63827716853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11163643 + ... + 11169358.

Almost surely, 2^63827716858 is an apocalyptic number.

63827716858 is a deficient number, since it is larger than the sum of its proper divisors (31980861722).

63827716858 is a wasteful number, since it uses less digits than its factorization.

63827716858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22334432.

The product of its digits is 27095040, while the sum is 61.

The spelling of 63827716858 in words is "sixty-three billion, eight hundred twenty-seven million, seven hundred sixteen thousand, eight hundred fifty-eight".