63378674065 has 8 divisors (see below), whose sum is σ = 86919324480. Its totient is φ = 43459662192.

The previous prime is 63378674039. The next prime is 63378674071. The reversal of 63378674065 is 56047687336.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 63378674065 - 2¹¹ = 63378672017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63378673997 and 63378674015.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 905409595 + ... + 905409664.

It is an arithmetic number, because the mean of its divisors is an integer number (10864915560).

Almost surely, 2^63378674065 is an apocalyptic number.

It is an amenable number.

63378674065 is a deficient number, since it is larger than the sum of its proper divisors (23540650415).

63378674065 is a wasteful number, since it uses less digits than its factorization.

63378674065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810819271.

The product of its (nonzero) digits is 15240960, while the sum is 55.

The spelling of 63378674065 in words is "sixty-three billion, three hundred seventy-eight million, six hundred seventy-four thousand, sixty-five".