117889773 has 4 divisors (see below), whose sum is σ = 157186368. Its totient is φ = 78593180.

The previous prime is 117889769. The next prime is 117889787. The reversal of 117889773 is 377988711.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 117889773 - 2² = 117889769 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117889753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19648293 + ... + 19648298.

It is an arithmetic number, because the mean of its divisors is an integer number (39296592).

Almost surely, 2^117889773 is an apocalyptic number.

It is an amenable number.

117889773 is a deficient number, since it is larger than the sum of its proper divisors (39296595).

117889773 is an equidigital number, since it uses as much as digits as its factorization.

117889773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39296594.

The product of its digits is 592704, while the sum is 51.

The square root of 117889773 is about 10857.7056968772. The cubic root of 117889773 is about 490.3340398948.

It can be divided in two parts, 1178 and 89773, that added together give a triangular number (90951 = T₄₂₆).

The spelling of 117889773 in words is "one hundred seventeen million, eight hundred eighty-nine thousand, seven hundred seventy-three".