447666001507725 has 216 divisors, whose sum is σ = 1006785953199936. Its totient is φ = 171732008448000.

The previous prime is 447666001507693. The next prime is 447666001507783. The reversal of 447666001507725 is 527705100666744.

It is not a de Polignac number, because 447666001507725 - 2⁵ = 447666001507693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 10113636 + ... + 31585085.

Almost surely, 2^{447666001507725} is an apocalyptic number.

It is an amenable number.

447666001507725 is an abundant number, since it is smaller than the sum of its proper divisors (559119951692211).

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

447666001507725 is a wasteful number, since it uses less digits than its factorization.

447666001507725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41698789 (or 41698760 counting only the distinct ones).

The product of its (nonzero) digits is 59270400, while the sum is 60.

The spelling of 447666001507725 in words is "four hundred forty-seven trillion, six hundred sixty-six billion, one million, five hundred seven thousand, seven hundred twenty-five".