6700776887872 has 28 divisors (see below), whose sum is σ = 13304580592716. Its totient is φ = 3348441620480.

The previous prime is 6700776887869. The next prime is 6700776887873. The reversal of 6700776887872 is 2787886770076.

It can be written as a sum of positive squares in 2 ways, for example, as 5577041203776 + 1123735684096 = 2361576^2 + 1060064^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6700776887795 and 6700776887804.

It is not an unprimeable number, because it can be changed into a prime (6700776887873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30308113 + ... + 30528400.

It is an arithmetic number, because the mean of its divisors is an integer number (475163592597).

Almost surely, 2^{6700776887872} is an apocalyptic number.

It is an amenable number.

6700776887872 is a deficient number, since it is larger than the sum of its proper divisors (6603803704844).

6700776887872 is a wasteful number, since it uses less digits than its factorization.

6700776887872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60838246 (or 60838236 counting only the distinct ones).

The product of its (nonzero) digits is 619573248, while the sum is 73.

The spelling of 6700776887872 in words is "six trillion, seven hundred billion, seven hundred seventy-six million, eight hundred eighty-seven thousand, eight hundred seventy-two".