471947671 has 4 divisors (see below), whose sum is σ = 508251352. Its totient is φ = 435643992.

The previous prime is 471947657. The next prime is 471947681. The reversal of 471947671 is 176749174.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 471947671 - 2¹⁷ = 471816599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471947681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18151821 + ... + 18151846.

It is an arithmetic number, because the mean of its divisors is an integer number (127062838).

Almost surely, 2^471947671 is an apocalyptic number.

471947671 is a deficient number, since it is larger than the sum of its proper divisors (36303681).

471947671 is a wasteful number, since it uses less digits than its factorization.

471947671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36303680.

The product of its digits is 296352, while the sum is 46.

The square root of 471947671 is about 21724.3566302894. The cubic root of 471947671 is about 778.5705085788.

The spelling of 471947671 in words is "four hundred seventy-one million, nine hundred forty-seven thousand, six hundred seventy-one".