117867868929 has 8 divisors (see below), whose sum is σ = 174619065120. Its totient is φ = 78578579268.

The previous prime is 117867868907. The next prime is 117867868957. The reversal of 117867868929 is 929868768711.

It is not a de Polignac number, because 117867868929 - 2¹⁷ = 117867737857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117867868529) 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, 2182738287 + ... + 2182738340.

It is an arithmetic number, because the mean of its divisors is an integer number (21827383140).

Almost surely, 2^117867868929 is an apocalyptic number.

It is an amenable number.

117867868929 is a deficient number, since it is larger than the sum of its proper divisors (56751196191).

117867868929 is an equidigital number, since it uses as much as digits as its factorization.

117867868929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4365476636 (or 4365476630 counting only the distinct ones).

The product of its digits is 146313216, while the sum is 72.

The spelling of 117867868929 in words is "one hundred seventeen billion, eight hundred sixty-seven million, eight hundred sixty-eight thousand, nine hundred twenty-nine".