6858889056 has 48 divisors (see below), whose sum is σ = 20005095600. Its totient is φ = 2286296064.

The previous prime is 6858889049. The next prime is 6858889067. The reversal of 6858889056 is 6509888586.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×6858889056² = 94088718165033142272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6858888984 and 6858889002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3968401 + ... + 3970128.

It is an arithmetic number, because the mean of its divisors is an integer number (416772825).

Almost surely, 2^6858889056 is an apocalyptic number.

It is an amenable number.

6858889056 is an abundant number, since it is smaller than the sum of its proper divisors (13146206544).

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

6858889056 is a wasteful number, since it uses less digits than its factorization.

6858889056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7938548 (or 7938534 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 63.

The square root of 6858889056 is about 82818.4101272175. The cubic root of 6858889056 is about 1899.9897558081.

The spelling of 6858889056 in words is "six billion, eight hundred fifty-eight million, eight hundred eighty-nine thousand, fifty-six".