6881720478300 has 108 divisors (see below), whose sum is σ = 21571372453176. Its totient is φ = 1835040220800.

The previous prime is 6881720478233. The next prime is 6881720478307. The reversal of 6881720478300 is 38740271886.

It is a happy number.

6881720478300 is a `hidden beast` number, since 68 + 8 + 1 + 7 + 204 + 78 + 300 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6881720478307) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 20552827 + ... + 20884973.

It is an arithmetic number, because the mean of its divisors is an integer number (199734930122).

Almost surely, 2^{6881720478300} is an apocalyptic number.

6881720478300 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6881720478300 is an abundant number, since it is smaller than the sum of its proper divisors (14689651974876).

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

6881720478300 is a wasteful number, since it uses less digits than its factorization.

6881720478300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355188 (or 355178 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 54.

The spelling of 6881720478300 in words is "six trillion, eight hundred eighty-one billion, seven hundred twenty million, four hundred seventy-eight thousand, three hundred".