117761927 has 2 divisors, whose sum is σ = 117761928. Its totient is φ = 117761926.

The previous prime is 117761899. The next prime is 117761929. The reversal of 117761927 is 729167711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117761927 - 2¹⁸ = 117499783 is a prime.

Together with 117761929, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117761929) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58880963 + 58880964.

It is an arithmetic number, because the mean of its divisors is an integer number (58880964).

Almost surely, 2^117761927 is an apocalyptic number.

117761927 is a deficient number, since it is larger than the sum of its proper divisors (1).

117761927 is an equidigital number, since it uses as much as digits as its factorization.

117761927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37044, while the sum is 41.

The square root of 117761927 is about 10851.8167603402. The cubic root of 117761927 is about 490.1567275965.

The spelling of 117761927 in words is "one hundred seventeen million, seven hundred sixty-one thousand, nine hundred twenty-seven".