447716401576 has 16 divisors (see below), whose sum is σ = 839489080500. Its totient is φ = 223852646784.

The previous prime is 447716401549. The next prime is 447716401591. The reversal of 447716401576 is 675104617744.

It can be written as a sum of positive squares in 2 ways, for example, as 397875839076 + 49840562500 = 630774^2 + 223250^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341085 + ... + 1005868.

Almost surely, 2^447716401576 is an apocalyptic number.

It is an amenable number.

447716401576 is a deficient number, since it is larger than the sum of its proper divisors (391772678924).

447716401576 is a wasteful number, since it uses less digits than its factorization.

447716401576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388508 (or 1388504 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 52.

The spelling of 447716401576 in words is "four hundred forty-seven billion, seven hundred sixteen million, four hundred one thousand, five hundred seventy-six".