6866860829376 has 56 divisors (see below), whose sum is σ = 18168895742400. Its totient is φ = 2288912480512.

The previous prime is 6866860829357. The next prime is 6866860829377. The reversal of 6866860829376 is 6739280686686.

It is a junction number, because it is equal to n+sod(n) for n = 6866860829298 and 6866860829307.

It is not an unprimeable number, because it can be changed into a prime (6866860829377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11526475 + ... + 12107573.

Almost surely, 2^{6866860829376} is an apocalyptic number.

It is an amenable number.

6866860829376 is an abundant number, since it is smaller than the sum of its proper divisors (11302034913024).

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

6866860829376 is a wasteful number, since it uses less digits than its factorization.

6866860829376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642661 (or 642651 counting only the distinct ones).

The product of its (nonzero) digits is 1504935936, while the sum is 75.

The spelling of 6866860829376 in words is "six trillion, eight hundred sixty-six billion, eight hundred sixty million, eight hundred twenty-nine thousand, three hundred seventy-six".