117267515797 has 2 divisors, whose sum is σ = 117267515798. Its totient is φ = 117267515796.

The previous prime is 117267515791. The next prime is 117267515831. The reversal of 117267515797 is 797515762711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105491142436 + 11776373361 = 324794^2 + 108519^2 .

It is an emirp because it is prime and its reverse (797515762711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117267515797 - 2¹¹ = 117267513749 is a prime.

It is a super-2 number, since 2×117267515797² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117267515791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58633757898 + 58633757899.

It is an arithmetic number, because the mean of its divisors is an integer number (58633757899).

Almost surely, 2^117267515797 is an apocalyptic number.

It is an amenable number.

117267515797 is a deficient number, since it is larger than the sum of its proper divisors (1).

117267515797 is an equidigital number, since it uses as much as digits as its factorization.

117267515797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6482700, while the sum is 58.

The spelling of 117267515797 in words is "one hundred seventeen billion, two hundred sixty-seven million, five hundred fifteen thousand, seven hundred ninety-seven".