471688056 has 64 divisors (see below), whose sum is σ = 1497427200. Its totient is φ = 134767584.

The previous prime is 471688043. The next prime is 471688057. The reversal of 471688056 is 650886174.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471688057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154470 + ... + 157493.

It is an arithmetic number, because the mean of its divisors is an integer number (23397300).

Almost surely, 2^471688056 is an apocalyptic number.

It is an amenable number.

471688056 is an abundant number, since it is smaller than the sum of its proper divisors (1025739144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

471688056 is a wasteful number, since it uses less digits than its factorization.

471688056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311985 (or 311975 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 471688056 is about 21718.3806026140. The cubic root of 471688056 is about 778.4277203917.

The spelling of 471688056 in words is "four hundred seventy-one million, six hundred eighty-eight thousand, fifty-six".