117711497 has 2 divisors, whose sum is σ = 117711498. Its totient is φ = 117711496.

The previous prime is 117711469. The next prime is 117711499. The reversal of 117711497 is 794117711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84198976 + 33512521 = 9176^2 + 5789^2 .

It is a cyclic number.

It is not a de Polignac number, because 117711497 - 2⁸ = 117711241 is a prime.

Together with 117711499, it forms a pair of twin primes.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 117711497 parts by 15343 straight cuts.

It is a self number, because there is not a number n which added to its sum of digits gives 117711497.

It is not a weakly prime, because it can be changed into another prime (117711499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58855748 + 58855749.

It is an arithmetic number, because the mean of its divisors is an integer number (58855749).

Almost surely, 2^117711497 is an apocalyptic number.

It is an amenable number.

117711497 is a deficient number, since it is larger than the sum of its proper divisors (1).

117711497 is an equidigital number, since it uses as much as digits as its factorization.

117711497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12348, while the sum is 38.

The square root of 117711497 is about 10849.4929374603. The cubic root of 117711497 is about 490.0867498776.

The spelling of 117711497 in words is "one hundred seventeen million, seven hundred eleven thousand, four hundred ninety-seven".