117771763 has 2 divisors, whose sum is σ = 117771764. Its totient is φ = 117771762.

The previous prime is 117771713. The next prime is 117771769. The reversal of 117771763 is 367177711.

It is a strong prime.

It is an emirp because it is prime and its reverse (367177711) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117771763 is a prime.

It is not a weakly prime, because it can be changed into another prime (117771769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58885881 + 58885882.

It is an arithmetic number, because the mean of its divisors is an integer number (58885882).

Almost surely, 2^117771763 is an apocalyptic number.

117771763 is a deficient number, since it is larger than the sum of its proper divisors (1).

117771763 is an equidigital number, since it uses as much as digits as its factorization.

117771763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43218, while the sum is 40.

The square root of 117771763 is about 10852.2699468821. The cubic root of 117771763 is about 490.1703739067.

The spelling of 117771763 in words is "one hundred seventeen million, seven hundred seventy-one thousand, seven hundred sixty-three".