4448997278 has 16 divisors (see below), whose sum is σ = 7352262000. Its totient is φ = 2002248000.

The previous prime is 4448997277. The next prime is 4448997313. The reversal of 4448997278 is 8727998444.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4448997278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4448997277) by changing a digit.

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, 998903 + ... + 1003346.

It is an arithmetic number, because the mean of its divisors is an integer number (459516375).

Almost surely, 2^4448997278 is an apocalyptic number.

4448997278 is a deficient number, since it is larger than the sum of its proper divisors (2903264722).

4448997278 is a wasteful number, since it uses less digits than its factorization.

4448997278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002363.

The product of its digits is 32514048, while the sum is 62.

The square root of 4448997278 is about 66700.8041780607. The cubic root of 4448997278 is about 1644.7026039490.

The spelling of 4448997278 in words is "four billion, four hundred forty-eight million, nine hundred ninety-seven thousand, two hundred seventy-eight".