117961773 has 8 divisors (see below), whose sum is σ = 159273600. Its totient is φ = 77645568.

The previous prime is 117961673. The next prime is 117961777. The reversal of 117961773 is 377169711.

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

It is not a de Polignac number, because 117961773 - 2¹² = 117957677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117961777) 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, 248628 + ... + 249101.

It is an arithmetic number, because the mean of its divisors is an integer number (19909200).

Almost surely, 2^117961773 is an apocalyptic number.

It is an amenable number.

117961773 is a deficient number, since it is larger than the sum of its proper divisors (41311827).

117961773 is an equidigital number, since it uses as much as digits as its factorization.

117961773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497811.

The product of its digits is 55566, while the sum is 42.

The square root of 117961773 is about 10861.0208083771. The cubic root of 117961773 is about 490.4338417838.

The spelling of 117961773 in words is "one hundred seventeen million, nine hundred sixty-one thousand, seven hundred seventy-three".