472484370847866 has 128 divisors (see below), whose sum is σ = 1033742062080000. Its totient is φ = 143097212645376.

The previous prime is 472484370847859. The next prime is 472484370847921. The reversal of 472484370847866 is 668748073484274.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is a junction number, because it is equal to n+sod(n) for n = 472484370847791 and 472484370847800.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7762284880 + ... + 7762345748.

It is an arithmetic number, because the mean of its divisors is an integer number (8076109860000).

Almost surely, 2^{472484370847866} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 472484370847866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (516871031040000).

472484370847866 is an abundant number, since it is smaller than the sum of its proper divisors (561257691232134).

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

472484370847866 is a wasteful number, since it uses less digits than its factorization.

472484370847866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66008.

The product of its (nonzero) digits is 9710862336, while the sum is 78.

The spelling of 472484370847866 in words is "four hundred seventy-two trillion, four hundred eighty-four billion, three hundred seventy million, eight hundred forty-seven thousand, eight hundred sixty-six".