6858611880 has 32 divisors (see below), whose sum is σ = 20575836000. Its totient is φ = 1828963136.

The previous prime is 6858611839. The next prime is 6858611909. The reversal of 6858611880 is 881168586.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

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, 28577430 + ... + 28577669.

It is an arithmetic number, because the mean of its divisors is an integer number (642994875).

Almost surely, 2^6858611880 is an apocalyptic number.

6858611880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6858611880 is an abundant number, since it is smaller than the sum of its proper divisors (13717224120).

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

6858611880 is a wasteful number, since it uses less digits than its factorization.

6858611880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57155113 (or 57155109 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 51.

The square root of 6858611880 is about 82816.7367142657. The cubic root of 6858611880 is about 1899.9641618356.

The spelling of 6858611880 in words is "six billion, eight hundred fifty-eight million, six hundred eleven thousand, eight hundred eighty".