117961395 has 8 divisors (see below), whose sum is σ = 188738256. Its totient is φ = 62912736.

The previous prime is 117961391. The next prime is 117961423. The reversal of 117961395 is 593169711.

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

It is not a de Polignac number, because 117961395 - 2² = 117961391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117961391) 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, 3932032 + ... + 3932061.

It is an arithmetic number, because the mean of its divisors is an integer number (23592282).

Almost surely, 2^117961395 is an apocalyptic number.

117961395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117961395 is a deficient number, since it is larger than the sum of its proper divisors (70776861).

117961395 is an equidigital number, since it uses as much as digits as its factorization.

117961395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7864101.

The product of its digits is 51030, while the sum is 42.

The square root of 117961395 is about 10861.0034066839. The cubic root of 117961395 is about 490.4333179299.

The spelling of 117961395 in words is "one hundred seventeen million, nine hundred sixty-one thousand, three hundred ninety-five".