471987814 has 4 divisors (see below), whose sum is σ = 707981724. Its totient is φ = 235993906.

The previous prime is 471987809. The next prime is 471987829. The reversal of 471987814 is 418789174.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117996952 + ... + 117996955.

It is an arithmetic number, because the mean of its divisors is an integer number (176995431).

Almost surely, 2^471987814 is an apocalyptic number.

471987814 is a deficient number, since it is larger than the sum of its proper divisors (235993910).

471987814 is a wasteful number, since it uses less digits than its factorization.

471987814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235993909.

The product of its digits is 451584, while the sum is 49.

The square root of 471987814 is about 21725.2805275329. The cubic root of 471987814 is about 778.5925825443.

The spelling of 471987814 in words is "four hundred seventy-one million, nine hundred eighty-seven thousand, eight hundred fourteen".