447476666505 has 32 divisors (see below), whose sum is σ = 781518637440. Its totient is φ = 216828257280.

The previous prime is 447476666503. The next prime is 447476666509. The reversal of 447476666505 is 505666674744.

It is not a de Polignac number, because 447476666505 - 2¹ = 447476666503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (447476666503) 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, 537072 + ... + 1087841.

It is an arithmetic number, because the mean of its divisors is an integer number (24422457420).

Almost surely, 2^447476666505 is an apocalyptic number.

It is an amenable number.

447476666505 is a deficient number, since it is larger than the sum of its proper divisors (334041970935).

447476666505 is a wasteful number, since it uses less digits than its factorization.

447476666505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626601.

The product of its (nonzero) digits is 101606400, while the sum is 60.

The spelling of 447476666505 in words is "four hundred forty-seven billion, four hundred seventy-six million, six hundred sixty-six thousand, five hundred five".