116627609 has 4 divisors (see below), whose sum is σ = 133288704. Its totient is φ = 99966516.

The previous prime is 116627603. The next prime is 116627617. The reversal of 116627609 is 906726611.

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 a de Polignac number, because none of the positive numbers 2^k-116627609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116627603) 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, 8330537 + ... + 8330550.

It is an arithmetic number, because the mean of its divisors is an integer number (33322176).

Almost surely, 2^116627609 is an apocalyptic number.

It is an amenable number.

116627609 is a deficient number, since it is larger than the sum of its proper divisors (16661095).

116627609 is an equidigital number, since it uses as much as digits as its factorization.

116627609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16661094.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 116627609 is about 10799.4263273565. The cubic root of 116627609 is about 488.5778687547.

The spelling of 116627609 in words is "one hundred sixteen million, six hundred twenty-seven thousand, six hundred nine".