117747928351 has 2 divisors, whose sum is σ = 117747928352. Its totient is φ = 117747928350.

The previous prime is 117747928313. The next prime is 117747928369. The reversal of 117747928351 is 153829747711.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117747928351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117747928292 and 117747928301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117747938351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58873964175 + 58873964176.

It is an arithmetic number, because the mean of its divisors is an integer number (58873964176).

Almost surely, 2^117747928351 is an apocalyptic number.

117747928351 is a deficient number, since it is larger than the sum of its proper divisors (1).

117747928351 is an equidigital number, since it uses as much as digits as its factorization.

117747928351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2963520, while the sum is 55.

The spelling of 117747928351 in words is "one hundred seventeen billion, seven hundred forty-seven million, nine hundred twenty-eight thousand, three hundred fifty-one".