6978869172 has 384 divisors, whose sum is σ = 22016655360. Its totient is φ = 1886976000.

The previous prime is 6978869167. The next prime is 6978869179. The reversal of 6978869172 is 2719688796.

It is a super-2 number, since 2×6978869172² = 97409229839783931168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6978869179) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 44451318 + ... + 44451474.

It is an arithmetic number, because the mean of its divisors is an integer number (57335040).

Almost surely, 2^6978869172 is an apocalyptic number.

6978869172 is a gapful number since it is divisible by the number (62) 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 6978869172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11008327680).

6978869172 is an abundant number, since it is smaller than the sum of its proper divisors (15037786188).

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

6978869172 is a wasteful number, since it uses less digits than its factorization.

6978869172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300 (or 292 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 63.

The square root of 6978869172 is about 83539.6263577950. The cubic root of 6978869172 is about 1911.0043941156.

The spelling of 6978869172 in words is "six billion, nine hundred seventy-eight million, eight hundred sixty-nine thousand, one hundred seventy-two".