477925812 has 144 divisors (see below), whose sum is σ = 1552461120. Its totient is φ = 126028224.

The previous prime is 477925793. The next prime is 477925813. The reversal of 477925812 is 218529774.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477925813) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65323 + ... + 72269.

It is an arithmetic number, because the mean of its divisors is an integer number (10780980).

Almost surely, 2^477925812 is an apocalyptic number.

477925812 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 477925812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (776230560).

477925812 is an abundant number, since it is smaller than the sum of its proper divisors (1074535308).

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

477925812 is a wasteful number, since it uses less digits than its factorization.

477925812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6987 (or 6972 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 477925812 is about 21861.5144031698. The cubic root of 477925812 is about 781.8440982329.

The spelling of 477925812 in words is "four hundred seventy-seven million, nine hundred twenty-five thousand, eight hundred twelve".