7768734273157 has 12 divisors (see below), whose sum is σ = 9177052430304. Its totient is φ = 6519217570320.

The previous prime is 7768734273137. The next prime is 7768734273169. The reversal of 7768734273157 is 7513724378677.

It is a happy number.

It is not a de Polignac number, because 7768734273157 - 2¹⁹ = 7768733748869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7768734273092 and 7768734273101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7768734273107) 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 11 ways as a sum of consecutive naturals, for example, 2089490953 + ... + 2089494670.

It is an arithmetic number, because the mean of its divisors is an integer number (764754369192).

Almost surely, 2^{7768734273157} is an apocalyptic number.

It is an amenable number.

7768734273157 is a deficient number, since it is larger than the sum of its proper divisors (1408318157147).

7768734273157 is a wasteful number, since it uses less digits than its factorization.

7768734273157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4178985660 (or 4178985647 counting only the distinct ones).

The product of its digits is 290424960, while the sum is 67.

The spelling of 7768734273157 in words is "seven trillion, seven hundred sixty-eight billion, seven hundred thirty-four million, two hundred seventy-three thousand, one hundred fifty-seven".