117516805 has 32 divisors (see below), whose sum is σ = 172488960. Its totient is φ = 75064320.

The previous prime is 117516803. The next prime is 117516811. The reversal of 117516805 is 508615711.

It is not a de Polignac number, because 117516805 - 2¹ = 117516803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117516803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39117 + ... + 42013.

It is an arithmetic number, because the mean of its divisors is an integer number (5390280).

Almost surely, 2^117516805 is an apocalyptic number.

It is an amenable number.

117516805 is a deficient number, since it is larger than the sum of its proper divisors (54972155).

117516805 is a wasteful number, since it uses less digits than its factorization.

117516805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2989.

The product of its (nonzero) digits is 8400, while the sum is 34.

The square root of 117516805 is about 10840.5168234729. The cubic root of 117516805 is about 489.8164035206.

The spelling of 117516805 in words is "one hundred seventeen million, five hundred sixteen thousand, eight hundred five".