116871809 has 8 divisors (see below), whose sum is σ = 122231040. Its totient is φ = 111535776.

The previous prime is 116871803. The next prime is 116871841. The reversal of 116871809 is 908178611.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116871809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (116871803) 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, 4952 + ... + 16070.

It is an arithmetic number, because the mean of its divisors is an integer number (15278880).

Almost surely, 2^116871809 is an apocalyptic number.

It is an amenable number.

116871809 is a deficient number, since it is larger than the sum of its proper divisors (5359231).

116871809 is a wasteful number, since it uses less digits than its factorization.

116871809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11599.

The product of its (nonzero) digits is 24192, while the sum is 41.

The square root of 116871809 is about 10810.7265713272. The cubic root of 116871809 is about 488.9186329489.

The spelling of 116871809 in words is "one hundred sixteen million, eight hundred seventy-one thousand, eight hundred nine".