471885786 has 48 divisors (see below), whose sum is σ = 1079301600. Its totient is φ = 148591584.

The previous prime is 471885749. The next prime is 471885823. The reversal of 471885786 is 687588174.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (471885749) and next prime (471885823).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131265 + ... + 134811.

It is an arithmetic number, because the mean of its divisors is an integer number (22485450).

Almost surely, 2^471885786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 471885786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539650800).

471885786 is an abundant number, since it is smaller than the sum of its proper divisors (607415814).

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

471885786 is a wasteful number, since it uses less digits than its factorization.

471885786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3963 (or 3960 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 54.

The square root of 471885786 is about 21722.9322606319. The cubic root of 471885786 is about 778.5364765982.

The spelling of 471885786 in words is "four hundred seventy-one million, eight hundred eighty-five thousand, seven hundred eighty-six".