117783097 has 2 divisors, whose sum is σ = 117783098. Its totient is φ = 117783096.

The previous prime is 117783077. The next prime is 117783101. The reversal of 117783097 is 790387711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93141801 + 24641296 = 9651^2 + 4964^2 .

It is an emirp because it is prime and its reverse (790387711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117783097 - 2⁷ = 117782969 is a prime.

It is a super-2 number, since 2×117783097² = 27745715877822818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (117783047) 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, 58891548 + 58891549.

It is an arithmetic number, because the mean of its divisors is an integer number (58891549).

Almost surely, 2^117783097 is an apocalyptic number.

It is an amenable number.

117783097 is a deficient number, since it is larger than the sum of its proper divisors (1).

117783097 is an equidigital number, since it uses as much as digits as its factorization.

117783097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74088, while the sum is 43.

The square root of 117783097 is about 10852.7921292173. The cubic root of 117783097 is about 490.1860975761.

The spelling of 117783097 in words is "one hundred seventeen million, seven hundred eighty-three thousand, ninety-seven".