117580809831 has 8 divisors (see below), whose sum is σ = 156852926064. Its totient is φ = 78347950080.

The previous prime is 117580809823. The next prime is 117580809847. The reversal of 117580809831 is 138908085711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117580809831 - 2³ = 117580809823 is a prime.

It is a super-2 number, since 2×117580809831² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117580809851) 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, 9807130 + ... + 9819111.

It is an arithmetic number, because the mean of its divisors is an integer number (19606615758).

Almost surely, 2^117580809831 is an apocalyptic number.

117580809831 is a deficient number, since it is larger than the sum of its proper divisors (39272116233).

117580809831 is a wasteful number, since it uses less digits than its factorization.

117580809831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19628241.

The product of its (nonzero) digits is 483840, while the sum is 51.

The spelling of 117580809831 in words is "one hundred seventeen billion, five hundred eighty million, eight hundred nine thousand, eight hundred thirty-one".