6858472866 has 48 divisors (see below), whose sum is σ = 16345657440. Its totient is φ = 1911766080.

The previous prime is 6858472861. The next prime is 6858472871. The reversal of 6858472866 is 6682748586.

It is an interprime number because it is at equal distance from previous prime (6858472861) and next prime (6858472871).

It is not an unprimeable number, because it can be changed into a prime (6858472861) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 272436 + ... + 296543.

It is an arithmetic number, because the mean of its divisors is an integer number (340534530).

Almost surely, 2^6858472866 is an apocalyptic number.

6858472866 is an abundant number, since it is smaller than the sum of its proper divisors (9487184574).

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

6858472866 is a wasteful number, since it uses less digits than its factorization.

6858472866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569039 (or 569032 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 60.

The square root of 6858472866 is about 82815.8974231397. The cubic root of 6858472866 is about 1899.9513252535.

The spelling of 6858472866 in words is "six billion, eight hundred fifty-eight million, four hundred seventy-two thousand, eight hundred sixty-six".