117740378417 has 2 divisors, whose sum is σ = 117740378418. Its totient is φ = 117740378416.

The previous prime is 117740378299. The next prime is 117740378429. The reversal of 117740378417 is 714873047711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64027217296 + 53713161121 = 253036^2 + 231761^2 .

It is a cyclic number.

It is not a de Polignac number, because 117740378417 - 2¹⁰ = 117740377393 is a prime.

It is not a weakly prime, because it can be changed into another prime (117740278417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58870189208 + 58870189209.

It is an arithmetic number, because the mean of its divisors is an integer number (58870189209).

Almost surely, 2^117740378417 is an apocalyptic number.

It is an amenable number.

117740378417 is a deficient number, since it is larger than the sum of its proper divisors (1).

117740378417 is an equidigital number, since it uses as much as digits as its factorization.

117740378417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 921984, while the sum is 50.

The spelling of 117740378417 in words is "one hundred seventeen billion, seven hundred forty million, three hundred seventy-eight thousand, four hundred seventeen".