6986688866896 has 40 divisors (see below), whose sum is σ = 13696977576168. Its totient is φ = 3452117760000.

The previous prime is 6986688866873. The next prime is 6986688866903.

6986688866896 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 3166477891600 + 3820210975296 = 1779460^2 + 1954536^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3307245 + ... + 4991116.

Almost surely, 2^{6986688866896} is an apocalyptic number.

It is an amenable number.

6986688866896 is a deficient number, since it is larger than the sum of its proper divisors (6710288709272).

6986688866896 is a wasteful number, since it uses less digits than its factorization.

6986688866896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8298991 (or 8298985 counting only the distinct ones).

The product of its digits is 123834728448, while the sum is 94.

The spelling of 6986688866896 in words is "six trillion, nine hundred eighty-six billion, six hundred eighty-eight million, eight hundred sixty-six thousand, eight hundred ninety-six".