6867331380 has 432 divisors, whose sum is σ = 26398676304. Its totient is φ = 1432166400.

The previous prime is 6867331379. The next prime is 6867331411. The reversal of 6867331380 is 831337686.

It can be written as a sum of positive squares in 8 ways, for example, as 49196196 + 6818135184 = 7014^2 + 82572^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 11580364 + ... + 11580956.

It is an arithmetic number, because the mean of its divisors is an integer number (61108047).

Almost surely, 2^6867331380 is an apocalyptic number.

6867331380 is a gapful number since it is divisible by the number (60) 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 6867331380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13199338152).

6867331380 is an abundant number, since it is smaller than the sum of its proper divisors (19531344924).

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

6867331380 is a wasteful number, since it uses less digits than its factorization.

6867331380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 6867331380 is about 82869.3633377257. The cubic root of 6867331380 is about 1900.7689759002.

The spelling of 6867331380 in words is "six billion, eight hundred sixty-seven million, three hundred thirty-one thousand, three hundred eighty".