775316117 has 2 divisors, whose sum is σ = 775316118. Its totient is φ = 775316116.

The previous prime is 775316099. The next prime is 775316141. The reversal of 775316117 is 711613577.

775316117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 494217361 + 281098756 = 22231^2 + 16766^2 .

It is an emirp because it is prime and its reverse (711613577) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 775316117 - 2⁸ = 775315861 is a prime.

It is a super-2 number, since 2×775316117² = 1202230162559915378, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (775316917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387658058 + 387658059.

It is an arithmetic number, because the mean of its divisors is an integer number (387658059).

Almost surely, 2^775316117 is an apocalyptic number.

It is an amenable number.

775316117 is a deficient number, since it is larger than the sum of its proper divisors (1).

775316117 is an equidigital number, since it uses as much as digits as its factorization.

775316117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30870, while the sum is 38.

The square root of 775316117 is about 27844.4988642281. The cubic root of 775316117 is about 918.6701473968.

The spelling of 775316117 in words is "seven hundred seventy-five million, three hundred sixteen thousand, one hundred seventeen".