117307426765 has 4 divisors (see below), whose sum is σ = 140768912124. Its totient is φ = 93845941408.

The previous prime is 117307426763. The next prime is 117307426781. The reversal of 117307426765 is 567624703711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50829055209 + 66478371556 = 225453^2 + 257834^2 .

It is a cyclic number.

It is not a de Polignac number, because 117307426765 - 2¹ = 117307426763 is a prime.

It is a super-2 number, since 2×117307426765² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117307426763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11730742672 + ... + 11730742681.

It is an arithmetic number, because the mean of its divisors is an integer number (35192228031).

Almost surely, 2^117307426765 is an apocalyptic number.

It is an amenable number.

117307426765 is a deficient number, since it is larger than the sum of its proper divisors (23461485359).

117307426765 is an equidigital number, since it uses as much as digits as its factorization.

117307426765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23461485358.

The product of its (nonzero) digits is 1481760, while the sum is 49.

The spelling of 117307426765 in words is "one hundred seventeen billion, three hundred seven million, four hundred twenty-six thousand, seven hundred sixty-five".