6477332784 has 80 divisors (see below), whose sum is σ = 18099362400. Its totient is φ = 1984278528.

The previous prime is 6477332753. The next prime is 6477332791. The reversal of 6477332784 is 4872337746.

It is a happy number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120232 + ... + 165560.

It is an arithmetic number, because the mean of its divisors is an integer number (226242030).

Almost surely, 2^6477332784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6477332784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9049681200).

6477332784 is an abundant number, since it is smaller than the sum of its proper divisors (11622029616).

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

6477332784 is a wasteful number, since it uses less digits than its factorization.

6477332784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45582 (or 45576 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 51.

The square root of 6477332784 is about 80481.8786063049. The cubic root of 6477332784 is about 1864.0836764858.

The spelling of 6477332784 in words is "six billion, four hundred seventy-seven million, three hundred thirty-two thousand, seven hundred eighty-four".