6885625909842 has 192 divisors, whose sum is σ = 16866383998464. Its totient is φ = 2096790312960.

The previous prime is 6885625909763. The next prime is 6885625909879. The reversal of 6885625909842 is 2489095265886.

6885625909842 is a `hidden beast` number, since 6 + 8 + 8 + 562 + 59 + 0 + 9 + 8 + 4 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 66680583 + ... + 66783765.

It is an arithmetic number, because the mean of its divisors is an integer number (87845749992).

Almost surely, 2^{6885625909842} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6885625909842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8433191999232).

6885625909842 is an abundant number, since it is smaller than the sum of its proper divisors (9980758088622).

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

6885625909842 is a wasteful number, since it uses less digits than its factorization.

6885625909842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103455 (or 103443 counting only the distinct ones).

The product of its (nonzero) digits is 597196800, while the sum is 72.

The spelling of 6885625909842 in words is "six trillion, eight hundred eighty-five billion, six hundred twenty-five million, nine hundred nine thousand, eight hundred forty-two".