447116531572771 has 8 divisors (see below), whose sum is σ = 456430792499600. Its totient is φ = 437866286185440.

The previous prime is 447116531572757. The next prime is 447116531572811. The reversal of 447116531572771 is 177275135611744.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 447116531572771 - 2⁴³ = 438320438550563 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447116531572751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16003870761 + ... + 16003898698.

It is an arithmetic number, because the mean of its divisors is an integer number (57053849062450).

Almost surely, 2^{447116531572771} is an apocalyptic number.

447116531572771 is a deficient number, since it is larger than the sum of its proper divisors (9314260926829).

447116531572771 is a wasteful number, since it uses less digits than its factorization.

447116531572771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32007769749.

The product of its digits is 34574400, while the sum is 61.

The spelling of 447116531572771 in words is "four hundred forty-seven trillion, one hundred sixteen billion, five hundred thirty-one million, five hundred seventy-two thousand, seven hundred seventy-one".