448978766 has 16 divisors (see below), whose sum is σ = 695978880. Its totient is φ = 217002240.

The previous prime is 448978763. The next prime is 448978771. The reversal of 448978766 is 667879844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448978763) 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, 58970 + ... + 66146.

It is an arithmetic number, because the mean of its divisors is an integer number (43498680).

Almost surely, 2^448978766 is an apocalyptic number.

448978766 is a deficient number, since it is larger than the sum of its proper divisors (247000114).

448978766 is a wasteful number, since it uses less digits than its factorization.

448978766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8219.

The product of its digits is 16257024, while the sum is 59.

The square root of 448978766 is about 21189.1190472846. The cubic root of 448978766 is about 765.7293035096.

The spelling of 448978766 in words is "four hundred forty-eight million, nine hundred seventy-eight thousand, seven hundred sixty-six".