447133077 has 6 divisors (see below), whose sum is σ = 645858902. Its totient is φ = 298088712.

The previous prime is 447133073. The next prime is 447133117. The reversal of 447133077 is 770331744.

It can be written as a sum of positive squares in only one way, i.e., 426257316 + 20875761 = 20646^2 + 4569^2 .

It is not a de Polignac number, because 447133077 - 2² = 447133073 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447133073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24840718 + ... + 24840735.

Almost surely, 2^447133077 is an apocalyptic number.

It is an amenable number.

447133077 is a deficient number, since it is larger than the sum of its proper divisors (198725825).

447133077 is a wasteful number, since it uses less digits than its factorization.

447133077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49681459 (or 49681456 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 36.

The square root of 447133077 is about 21145.5214407212. The cubic root of 447133077 is about 764.6785936777.

The spelling of 447133077 in words is "four hundred forty-seven million, one hundred thirty-three thousand, seventy-seven".