447678277056 has 56 divisors (see below), whose sum is σ = 1316091236240. Its totient is φ = 149226091776.

The previous prime is 447678276989. The next prime is 447678277063. The reversal of 447678277056 is 650772876744.

447678277056 is a `hidden beast` number, since 4 + 476 + 78 + 27 + 70 + 5 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 447678276984 and 447678277002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129534811 + ... + 129538266.

Almost surely, 2^447678277056 is an apocalyptic number.

It is an amenable number.

447678277056 is an abundant number, since it is smaller than the sum of its proper divisors (868412959184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

447678277056 is a wasteful number, since it uses less digits than its factorization.

447678277056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259073098 (or 259073082 counting only the distinct ones).

The product of its (nonzero) digits is 110638080, while the sum is 63.

The spelling of 447678277056 in words is "four hundred forty-seven billion, six hundred seventy-eight million, two hundred seventy-seven thousand, fifty-six".