9987813953962 has 16 divisors (see below), whose sum is σ = 16654617810432. Its totient is φ = 4461058341360.

The previous prime is 9987813953959. The next prime is 9987813953987. The reversal of 9987813953962 is 2693593187899.

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 7 ways as a sum of consecutive naturals, for example, 6195913558 + ... + 6195915169.

It is an arithmetic number, because the mean of its divisors is an integer number (1040913613152).

Almost surely, 2^{9987813953962} is an apocalyptic number.

9987813953962 is a deficient number, since it is larger than the sum of its proper divisors (6666803856470).

9987813953962 is a wasteful number, since it uses less digits than its factorization.

9987813953962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12391828773.

The product of its digits is 1587237120, while the sum is 79.

The spelling of 9987813953962 in words is "nine trillion, nine hundred eighty-seven billion, eight hundred thirteen million, nine hundred fifty-three thousand, nine hundred sixty-two".