471347987 has 8 divisors (see below), whose sum is σ = 516112560. Its totient is φ = 426902560.

The previous prime is 471347971. The next prime is 471348011. The reversal of 471347987 is 789743174.

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 471347987 - 2⁴ = 471347971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (471347917) 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, 76688 + ... + 82605.

It is an arithmetic number, because the mean of its divisors is an integer number (64514070).

Almost surely, 2^471347987 is an apocalyptic number.

471347987 is a deficient number, since it is larger than the sum of its proper divisors (44764573).

471347987 is a wasteful number, since it uses less digits than its factorization.

471347987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159573.

The product of its digits is 1185408, while the sum is 50.

The square root of 471347987 is about 21710.5501312150. The cubic root of 471347987 is about 778.2406032380.

The spelling of 471347987 in words is "four hundred seventy-one million, three hundred forty-seven thousand, nine hundred eighty-seven".