471666447 has 24 divisors (see below), whose sum is σ = 787381920. Its totient is φ = 266492160.

The previous prime is 471666421. The next prime is 471666449. The reversal of 471666447 is 744666174.

It is not a de Polignac number, because 471666447 - 2⁷ = 471666319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471666449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36454 + ... + 47667.

It is an arithmetic number, because the mean of its divisors is an integer number (32807580).

Almost surely, 2^471666447 is an apocalyptic number.

471666447 is a deficient number, since it is larger than the sum of its proper divisors (315715473).

471666447 is a wasteful number, since it uses less digits than its factorization.

471666447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84223 (or 84220 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 471666447 is about 21717.8831150736. The cubic root of 471666447 is about 778.4158330852.

The spelling of 471666447 in words is "four hundred seventy-one million, six hundred sixty-six thousand, four hundred forty-seven".