448561634678 has 8 divisors (see below), whose sum is σ = 672993428472. Its totient is φ = 224230491856.

The previous prime is 448561634669. The next prime is 448561634693. The reversal of 448561634678 is 876436165844.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 448561634678.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25151600 + ... + 25169427.

It is an arithmetic number, because the mean of its divisors is an integer number (84124178559).

Almost surely, 2^448561634678 is an apocalyptic number.

448561634678 is a deficient number, since it is larger than the sum of its proper divisors (224431793794).

448561634678 is a wasteful number, since it uses less digits than its factorization.

448561634678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50325486.

The product of its digits is 92897280, while the sum is 62.

The spelling of 448561634678 in words is "four hundred forty-eight billion, five hundred sixty-one million, six hundred thirty-four thousand, six hundred seventy-eight".