117958965 has 8 divisors (see below), whose sum is σ = 188734368. Its totient is φ = 62911440.

The previous prime is 117958963. The next prime is 117958969. The reversal of 117958965 is 569859711.

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

It is not a de Polignac number, because 117958965 - 2¹ = 117958963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117958963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3931951 + ... + 3931980.

It is an arithmetic number, because the mean of its divisors is an integer number (23591796).

Almost surely, 2^117958965 is an apocalyptic number.

117958965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117958965 is a deficient number, since it is larger than the sum of its proper divisors (70775403).

117958965 is an equidigital number, since it uses as much as digits as its factorization.

117958965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7863939.

The product of its digits is 680400, while the sum is 51.

The square root of 117958965 is about 10860.8915379908. The cubic root of 117958965 is about 490.4299502713.

The spelling of 117958965 in words is "one hundred seventeen million, nine hundred fifty-eight thousand, nine hundred sixty-five".