9287987664398 has 8 divisors (see below), whose sum is σ = 14537719822608. Its totient is φ = 4442081056864.

The previous prime is 9287987664343. The next prime is 9287987664443. The reversal of 9287987664398 is 8934667897829.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 100956387611 + ... + 100956387702.

It is an arithmetic number, because the mean of its divisors is an integer number (1817214977826).

Almost surely, 2^{9287987664398} is an apocalyptic number.

9287987664398 is a deficient number, since it is larger than the sum of its proper divisors (5249732158210).

9287987664398 is a wasteful number, since it uses less digits than its factorization.

9287987664398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201912775338.

The product of its digits is 15801827328, while the sum is 86.

The spelling of 9287987664398 in words is "nine trillion, two hundred eighty-seven billion, nine hundred eighty-seven million, six hundred sixty-four thousand, three hundred ninety-eight".