116909719 has 4 divisors (see below), whose sum is σ = 118511296. Its totient is φ = 115308144.

The previous prime is 116909669. The next prime is 116909729. The reversal of 116909719 is 917909611.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 116909719 - 2¹⁷ = 116778647 is a prime.

It is a super-2 number, since 2×116909719² = 27335764793317922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116909729) 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, 800679 + ... + 800824.

It is an arithmetic number, because the mean of its divisors is an integer number (29627824).

Almost surely, 2^116909719 is an apocalyptic number.

116909719 is a deficient number, since it is larger than the sum of its proper divisors (1601577).

116909719 is an equidigital number, since it uses as much as digits as its factorization.

116909719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601576.

The product of its (nonzero) digits is 30618, while the sum is 43.

The square root of 116909719 is about 10812.4797803279. The cubic root of 116909719 is about 488.9714911526.

The spelling of 116909719 in words is "one hundred sixteen million, nine hundred nine thousand, seven hundred nineteen".