117855832826 has 16 divisors (see below), whose sum is σ = 178403813280. Its totient is φ = 58389261840.

The previous prime is 117855832753. The next prime is 117855832841. The reversal of 117855832826 is 628238558711.

It is a super-2 number, since 2×117855832826² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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, 168641 + ... + 513956.

It is an arithmetic number, because the mean of its divisors is an integer number (11150238330).

Almost surely, 2^117855832826 is an apocalyptic number.

117855832826 is a deficient number, since it is larger than the sum of its proper divisors (60547980454).

117855832826 is a wasteful number, since it uses less digits than its factorization.

117855832826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683389.

The product of its digits is 6451200, while the sum is 56.

The spelling of 117855832826 in words is "one hundred seventeen billion, eight hundred fifty-five million, eight hundred thirty-two thousand, eight hundred twenty-six".