471988894 has 16 divisors (see below), whose sum is σ = 771014160. Its totient is φ = 215392320.

The previous prime is 471988883. The next prime is 471988921. The reversal of 471988894 is 498889174.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99672 + ... + 104299.

It is an arithmetic number, because the mean of its divisors is an integer number (48188385).

Almost surely, 2^471988894 is an apocalyptic number.

471988894 is a deficient number, since it is larger than the sum of its proper divisors (299025266).

471988894 is a wasteful number, since it uses less digits than its factorization.

471988894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204075.

The product of its digits is 4644864, while the sum is 58.

The square root of 471988894 is about 21725.3053833542. The cubic root of 471988894 is about 778.5931764010.

The spelling of 471988894 in words is "four hundred seventy-one million, nine hundred eighty-eight thousand, eight hundred ninety-four".