116885009 has 4 divisors (see below), whose sum is σ = 116907504. Its totient is φ = 116862516.

The previous prime is 116884997. The next prime is 116885029. The reversal of 116885009 is 900588611.

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: 900588611 = 13 ⋅69276047.

It is a cyclic number.

It is not a de Polignac number, because 116885009 - 2²⁰ = 115836433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116885029) 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, 974 + ... + 15320.

It is an arithmetic number, because the mean of its divisors is an integer number (29226876).

Almost surely, 2^116885009 is an apocalyptic number.

It is an amenable number.

116885009 is a deficient number, since it is larger than the sum of its proper divisors (22495).

116885009 is an equidigital number, since it uses as much as digits as its factorization.

116885009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22494.

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 116885009 is about 10811.3370588471. The cubic root of 116885009 is about 488.9370391071.

The spelling of 116885009 in words is "one hundred sixteen million, eight hundred eighty-five thousand, nine".