6783197904 has 800 divisors, whose sum is σ = 25926912000. Its totient is φ = 1666925568.

The previous prime is 6783197903. The next prime is 6783197921. The reversal of 6783197904 is 4097913876.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6783197903) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 114969427 + ... + 114969485.

It is an arithmetic number, because the mean of its divisors is an integer number (32408640).

Almost surely, 2^6783197904 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 6783197904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12963456000).

6783197904 is an abundant number, since it is smaller than the sum of its proper divisors (19143714096).

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

6783197904 is a wasteful number, since it uses less digits than its factorization.

6783197904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The square root of 6783197904 is about 82360.1718308067. The cubic root of 6783197904 is about 1892.9747862455.

The spelling of 6783197904 in words is "six billion, seven hundred eighty-three million, one hundred ninety-seven thousand, nine hundred four".