117757723357 has 2 divisors, whose sum is σ = 117757723358. Its totient is φ = 117757723356.

The previous prime is 117757723339. The next prime is 117757723393. The reversal of 117757723357 is 753327757711.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84375144676 + 33382578681 = 290474^2 + 182709^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117757723357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117757723298 and 117757723307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117757720357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58878861678 + 58878861679.

It is an arithmetic number, because the mean of its divisors is an integer number (58878861679).

Almost surely, 2^117757723357 is an apocalyptic number.

It is an amenable number.

117757723357 is a deficient number, since it is larger than the sum of its proper divisors (1).

117757723357 is an equidigital number, since it uses as much as digits as its factorization.

117757723357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7563150, while the sum is 55.

The spelling of 117757723357 in words is "one hundred seventeen billion, seven hundred fifty-seven million, seven hundred twenty-three thousand, three hundred fifty-seven".