471808545 has 64 divisors (see below), whose sum is σ = 863170560. Its totient is φ = 218287872.

The previous prime is 471808543. The next prime is 471808549. The reversal of 471808545 is 545808174.

It is not a de Polignac number, because 471808545 - 2¹ = 471808543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 471808497 and 471808506.

It is not an unprimeable number, because it can be changed into a prime (471808543) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 263724 + ... + 265506.

It is an arithmetic number, because the mean of its divisors is an integer number (13487040).

Almost surely, 2^471808545 is an apocalyptic number.

It is an amenable number.

471808545 is a deficient number, since it is larger than the sum of its proper divisors (391362015).

471808545 is a wasteful number, since it uses less digits than its factorization.

471808545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886.

The product of its (nonzero) digits is 179200, while the sum is 42.

The square root of 471808545 is about 21721.1543201553. The cubic root of 471808545 is about 778.4939958262.

The spelling of 471808545 in words is "four hundred seventy-one million, eight hundred eight thousand, five hundred forty-five".