117055789 has 4 divisors (see below), whose sum is σ = 123216640. Its totient is φ = 110894940.

The previous prime is 117055781. The next prime is 117055831. The reversal of 117055789 is 987550711.

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, and also an emirpimes, since its reverse is a distinct semiprime: 987550711 = 7 ⋅141078673.

It is a cyclic number.

It is not a de Polignac number, because 117055789 - 2³ = 117055781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117055781) 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, 3080397 + ... + 3080434.

It is an arithmetic number, because the mean of its divisors is an integer number (30804160).

Almost surely, 2^117055789 is an apocalyptic number.

117055789 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

117055789 is a deficient number, since it is larger than the sum of its proper divisors (6160851).

117055789 is an equidigital number, since it uses as much as digits as its factorization.

117055789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6160850.

The product of its (nonzero) digits is 88200, while the sum is 43.

The square root of 117055789 is about 10819.2323664852. The cubic root of 117055789 is about 489.1750509040.

The spelling of 117055789 in words is "one hundred seventeen million, fifty-five thousand, seven hundred eighty-nine".