9818876982864 has 80 divisors (see below), whose sum is σ = 26870969844288. Its totient is φ = 3078888953856.

The previous prime is 9818876982851. The next prime is 9818876982869. The reversal of 9818876982864 is 4682896788189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9818876982869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1383202 + ... + 4642305.

Almost surely, 2^{9818876982864} is an apocalyptic number.

It is an amenable number.

9818876982864 is an abundant number, since it is smaller than the sum of its proper divisors (17052092861424).

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

9818876982864 is a wasteful number, since it uses less digits than its factorization.

9818876982864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6027532 (or 6027526 counting only the distinct ones).

The product of its digits is 5350883328, while the sum is 84.

The spelling of 9818876982864 in words is "nine trillion, eight hundred eighteen billion, eight hundred seventy-six million, nine hundred eighty-two thousand, eight hundred sixty-four".