447957961 has 32 divisors (see below), whose sum is σ = 517321728. Its totient is φ = 384296640.

The previous prime is 447957947. The next prime is 447957977. The reversal of 447957961 is 169759744.

It is not a de Polignac number, because 447957961 - 2⁵ = 447957929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 447957899 and 447957908.

It is not an unprimeable number, because it can be changed into a prime (447957901) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2682300 + ... + 2682466.

It is an arithmetic number, because the mean of its divisors is an integer number (16166304).

Almost surely, 2^447957961 is an apocalyptic number.

It is an amenable number.

447957961 is a deficient number, since it is larger than the sum of its proper divisors (69363767).

447957961 is a wasteful number, since it uses less digits than its factorization.

447957961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381.

The product of its digits is 1905120, while the sum is 52.

The square root of 447957961 is about 21165.0173871887. The cubic root of 447957961 is about 765.1485385168.

The spelling of 447957961 in words is "four hundred forty-seven million, nine hundred fifty-seven thousand, nine hundred sixty-one".