6720876087885 has 144 divisors (see below), whose sum is σ = 12435237008064. Its totient is φ = 3357188093952.

The previous prime is 6720876087803. The next prime is 6720876087899. The reversal of 6720876087885 is 5887806780276.

6720876087885 is a `hidden beast` number, since 6 + 7 + 2 + 0 + 8 + 7 + 608 + 7 + 8 + 8 + 5 = 666.

6720876087885 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6720876087885 - 2¹¹ = 6720876085837 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 909082749 + ... + 909090141.

It is an arithmetic number, because the mean of its divisors is an integer number (86355812556).

Almost surely, 2^{6720876087885} is an apocalyptic number.

It is an amenable number.

6720876087885 is a deficient number, since it is larger than the sum of its proper divisors (5714360920179).

6720876087885 is a wasteful number, since it uses less digits than its factorization.

6720876087885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8072 (or 8050 counting only the distinct ones).

The product of its (nonzero) digits is 505774080, while the sum is 72.

The spelling of 6720876087885 in words is "six trillion, seven hundred twenty billion, eight hundred seventy-six million, eighty-seven thousand, eight hundred eighty-five".