117661873258 has 16 divisors (see below), whose sum is σ = 176720362560. Its totient is φ = 58755122496.

The previous prime is 117661873253. The next prime is 117661873289. The reversal of 117661873258 is 852378166711.

It is a junction number, because it is equal to n+sod(n) for n = 117661873199 and 117661873208.

It is not an unprimeable number, because it can be changed into a prime (117661873253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9169435 + ... + 9182257.

It is an arithmetic number, because the mean of its divisors is an integer number (11045022660).

Almost surely, 2^117661873258 is an apocalyptic number.

117661873258 is a deficient number, since it is larger than the sum of its proper divisors (59058489302).

117661873258 is a wasteful number, since it uses less digits than its factorization.

117661873258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18381.

The product of its digits is 3386880, while the sum is 55.

The spelling of 117661873258 in words is "one hundred seventeen billion, six hundred sixty-one million, eight hundred seventy-three thousand, two hundred fifty-eight".