117840762757 has 2 divisors, whose sum is σ = 117840762758. Its totient is φ = 117840762756.

The previous prime is 117840762731. The next prime is 117840762779. The reversal of 117840762757 is 757267048711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89265903076 + 28574859681 = 298774^2 + 169041^2 .

It is a cyclic number.

It is not a de Polignac number, because 117840762757 - 2¹⁵ = 117840729989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117840762698 and 117840762707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117840762257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58920381378 + 58920381379.

It is an arithmetic number, because the mean of its divisors is an integer number (58920381379).

Almost surely, 2^117840762757 is an apocalyptic number.

It is an amenable number.

117840762757 is a deficient number, since it is larger than the sum of its proper divisors (1).

117840762757 is an equidigital number, since it uses as much as digits as its factorization.

117840762757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4609920, while the sum is 55.

The spelling of 117840762757 in words is "one hundred seventeen billion, eight hundred forty million, seven hundred sixty-two thousand, seven hundred fifty-seven".