9988757536495 has 32 divisors (see below), whose sum is σ = 12707817891840. Its totient is φ = 7511340441600.

The previous prime is 9988757536493. The next prime is 9988757536517. The reversal of 9988757536495 is 5946357578899.

9988757536495 = T₁ + T₂ + ... + T₃₉₁₃₃.

9988757536495 is a nontrivial binomial coefficient, being equal to C(39135, 3).

It is not a de Polignac number, because 9988757536495 - 2¹ = 9988757536493 is a prime.

It is a super-2 number, since 2×9988757536495² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (85).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9988757536493) by changing a digit.

It is the 39133-rd tetrahedral number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255231949 + ... + 255271081.

It is an arithmetic number, because the mean of its divisors is an integer number (397119309120).

Almost surely, 2^{9988757536495} is an apocalyptic number.

9988757536495 is a deficient number, since it is larger than the sum of its proper divisors (2719060355345).

9988757536495 is a wasteful number, since it uses less digits than its factorization.

9988757536495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42915.

The product of its digits is 20575296000, while the sum is 85.

The spelling of 9988757536495 in words is "nine trillion, nine hundred eighty-eight billion, seven hundred fifty-seven million, five hundred thirty-six thousand, four hundred ninety-five".