6917474668680 has 48 divisors (see below), whose sum is σ = 22481792674380. Its totient is φ = 1844659911552.

The previous prime is 6917474668649. The next prime is 6917474668721. The reversal of 6917474668680 is 868664747196.

6917474668680 is a `hidden beast` number, since 6 + 9 + 1 + 7 + 4 + 7 + 466 + 86 + 80 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6833320139844 + 84154528836 = 2614062^2 + 290094^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 6917474668599 and 6917474668608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9607603347 + ... + 9607604066.

Almost surely, 2^{6917474668680} is an apocalyptic number.

6917474668680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6917474668680 is an abundant number, since it is smaller than the sum of its proper divisors (15564318005700).

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

6917474668680 is a wasteful number, since it uses less digits than its factorization.

6917474668680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19215207430 (or 19215207423 counting only the distinct ones).

The product of its (nonzero) digits is 585252864, while the sum is 72.

The spelling of 6917474668680 in words is "six trillion, nine hundred seventeen billion, four hundred seventy-four million, six hundred sixty-eight thousand, six hundred eighty".