448777977 has 8 divisors (see below), whose sum is σ = 609660864. Its totient is φ = 293540208.

The previous prime is 448777943. The next prime is 448777999. The reversal of 448777977 is 779777844.

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

It is not a de Polignac number, because 448777977 - 2¹⁰ = 448776953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 448777977.

It is not an unprimeable number, because it can be changed into a prime (448777937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1411093 + ... + 1411410.

It is an arithmetic number, because the mean of its divisors is an integer number (76207608).

Almost surely, 2^448777977 is an apocalyptic number.

It is an amenable number.

448777977 is a deficient number, since it is larger than the sum of its proper divisors (160882887).

448777977 is a wasteful number, since it uses less digits than its factorization.

448777977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822559.

The product of its digits is 19361664, while the sum is 60.

The square root of 448777977 is about 21184.3804960164. The cubic root of 448777977 is about 765.6151385363.

The spelling of 448777977 in words is "four hundred forty-eight million, seven hundred seventy-seven thousand, nine hundred seventy-seven".