117556697 has 2 divisors, whose sum is σ = 117556698. Its totient is φ = 117556696.

The previous prime is 117556687. The next prime is 117556723. The reversal of 117556697 is 796655711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116877721 + 678976 = 10811^2 + 824^2 .

It is a cyclic number.

It is not a de Polignac number, because 117556697 - 2¹⁰ = 117555673 is a prime.

It is not a weakly prime, because it can be changed into another prime (117556687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58778348 + 58778349.

It is an arithmetic number, because the mean of its divisors is an integer number (58778349).

Almost surely, 2^117556697 is an apocalyptic number.

It is an amenable number.

117556697 is a deficient number, since it is larger than the sum of its proper divisors (1).

117556697 is an equidigital number, since it uses as much as digits as its factorization.

117556697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 396900, while the sum is 47.

The square root of 117556697 is about 10842.3566165295. The cubic root of 117556697 is about 489.8718212555.

The spelling of 117556697 in words is "one hundred seventeen million, five hundred fifty-six thousand, six hundred ninety-seven".