7748668156117 has 16 divisors (see below), whose sum is σ = 8904182288512. Its totient is φ = 6605315112960.

The previous prime is 7748668156091. The next prime is 7748668156223. The reversal of 7748668156117 is 7116518668477.

It is a cyclic number.

It is not a de Polignac number, because 7748668156117 - 2¹¹ = 7748668154069 is a prime.

It is a super-3 number, since 3×7748668156117³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7748668166117) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3639253 + ... + 5361109.

It is an arithmetic number, because the mean of its divisors is an integer number (556511393032).

Almost surely, 2^{7748668156117} is an apocalyptic number.

It is an amenable number.

7748668156117 is a deficient number, since it is larger than the sum of its proper divisors (1155514132395).

7748668156117 is a wasteful number, since it uses less digits than its factorization.

7748668156117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725388.

The product of its digits is 94832640, while the sum is 67.

The spelling of 7748668156117 in words is "seven trillion, seven hundred forty-eight billion, six hundred sixty-eight million, one hundred fifty-six thousand, one hundred seventeen".