6861043080 has 96 divisors (see below), whose sum is σ = 22772880000. Its totient is φ = 1790679168.

The previous prime is 6861043067. The next prime is 6861043087. The reversal of 6861043080 is 803401686.

It is a happy number.

6861043080 is a `hidden beast` number, since 6 + 8 + 610 + 4 + 30 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6861043087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185830 + ... + 219669.

It is an arithmetic number, because the mean of its divisors is an integer number (237217500).

Almost surely, 2^6861043080 is an apocalyptic number.

6861043080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6861043080 is an abundant number, since it is smaller than the sum of its proper divisors (15911836920).

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

6861043080 is a wasteful number, since it uses less digits than its factorization.

6861043080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405563 (or 405556 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 6861043080 is about 82831.4136061917. The cubic root of 6861043080 is about 1900.1886313183.

The spelling of 6861043080 in words is "six billion, eight hundred sixty-one million, forty-three thousand, eighty".