447779048 has 32 divisors (see below), whose sum is σ = 895406400. Its totient is φ = 209194752.

The previous prime is 447779047. The next prime is 447779071. The reversal of 447779048 is 840977744.

It is a junction number, because it is equal to n+sod(n) for n = 447778987 and 447779005.

It is not an unprimeable number, because it can be changed into a prime (447779047) 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, 7061 + ... + 30747.

It is an arithmetic number, because the mean of its divisors is an integer number (27981450).

Almost surely, 2^447779048 is an apocalyptic number.

It is an amenable number.

447779048 is a deficient number, since it is larger than the sum of its proper divisors (447627352).

447779048 is a wasteful number, since it uses less digits than its factorization.

447779048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23849 (or 23845 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 50.

The square root of 447779048 is about 21160.7903444082. The cubic root of 447779048 is about 765.0466589793.

The spelling of 447779048 in words is "four hundred forty-seven million, seven hundred seventy-nine thousand, forty-eight".