117980585 has 4 divisors (see below), whose sum is σ = 141576708. Its totient is φ = 94384464.

The previous prime is 117980573. The next prime is 117980609. The reversal of 117980585 is 585089711.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 585089711 = 2399 ⋅243889.

It can be written as a sum of positive squares in 2 ways, for example, as 14531344 + 103449241 = 3812^2 + 10171^2 .

It is a cyclic number.

It is not a de Polignac number, because 117980585 - 2¹⁴ = 117964201 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11798054 + ... + 11798063.

It is an arithmetic number, because the mean of its divisors is an integer number (35394177).

Almost surely, 2^117980585 is an apocalyptic number.

It is an amenable number.

117980585 is a deficient number, since it is larger than the sum of its proper divisors (23596123).

117980585 is an equidigital number, since it uses as much as digits as its factorization.

117980585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23596122.

The product of its (nonzero) digits is 100800, while the sum is 44.

The square root of 117980585 is about 10861.8868066280. The cubic root of 117980585 is about 490.4599111078.

The spelling of 117980585 in words is "one hundred seventeen million, nine hundred eighty thousand, five hundred eighty-five".