978624881716113 has 48 divisors (see below), whose sum is σ = 1439227273960320. Its totient is φ = 640653089156352.

The previous prime is 978624881716067. The next prime is 978624881716147. The reversal of 978624881716113 is 311617188426879.

978624881716113 is a `hidden beast` number, since 9 + 7 + 8 + 6 + 2 + 488 + 1 + 71 + 61 + 13 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-978624881716113 is a prime.

It is a super-2 number, since 2×978624881716113² (a number of 31 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (978624881715113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9584256406 + ... + 9584358512.

It is an arithmetic number, because the mean of its divisors is an integer number (29983901540840).

Almost surely, 2^{978624881716113} is an apocalyptic number.

It is an amenable number.

978624881716113 is a deficient number, since it is larger than the sum of its proper divisors (460602392244207).

978624881716113 is a wasteful number, since it uses less digits than its factorization.

978624881716113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166118 (or 166115 counting only the distinct ones).

The product of its digits is 195084288, while the sum is 72.

The spelling of 978624881716113 in words is "nine hundred seventy-eight trillion, six hundred twenty-four billion, eight hundred eighty-one million, seven hundred sixteen thousand, one hundred thirteen".