9787947716403 has 8 divisors (see below), whose sum is σ = 14500663283600. Its totient is φ = 6525298477584.

The previous prime is 9787947716401. The next prime is 9787947716479. The reversal of 9787947716403 is 3046177497879.

9787947716403 is a `hidden beast` number, since 9 + 78 + 79 + 4 + 77 + 16 + 403 = 666.

It is not a de Polignac number, because 9787947716403 - 2¹ = 9787947716401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9787947716401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181258291018 + ... + 181258291071.

It is an arithmetic number, because the mean of its divisors is an integer number (1812582910450).

Almost surely, 2^{9787947716403} is an apocalyptic number.

9787947716403 is a deficient number, since it is larger than the sum of its proper divisors (4712715567197).

9787947716403 is a wasteful number, since it uses less digits than its factorization.

9787947716403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362516582098 (or 362516582092 counting only the distinct ones).

The product of its (nonzero) digits is 448084224, while the sum is 72.

The spelling of 9787947716403 in words is "nine trillion, seven hundred eighty-seven billion, nine hundred forty-seven million, seven hundred sixteen thousand, four hundred three".