116998009 has 4 divisors (see below), whose sum is σ = 118134016. Its totient is φ = 115862004.

The previous prime is 116998001. The next prime is 116998019. The reversal of 116998009 is 900899611.

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 116998009 - 2³ = 116998001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116998001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 567849 + ... + 568054.

It is an arithmetic number, because the mean of its divisors is an integer number (29533504).

Almost surely, 2^116998009 is an apocalyptic number.

It is an amenable number.

116998009 is a deficient number, since it is larger than the sum of its proper divisors (1136007).

116998009 is a wasteful number, since it uses less digits than its factorization.

116998009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136006.

The product of its (nonzero) digits is 34992, while the sum is 43.

The square root of 116998009 is about 10816.5617919929. The cubic root of 116998009 is about 489.0945502968.

The spelling of 116998009 in words is "one hundred sixteen million, nine hundred ninety-eight thousand, nine".