116589931 has 2 divisors, whose sum is σ = 116589932. Its totient is φ = 116589930.

The previous prime is 116589929. The next prime is 116590007. The reversal of 116589931 is 139985611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 116589931 - 2¹ = 116589929 is a prime.

It is a super-2 number, since 2×116589931² = 27186424021169522, which contains 22 as substring.

Together with 116589929, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (116589631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58294965 + 58294966.

It is an arithmetic number, because the mean of its divisors is an integer number (58294966).

Almost surely, 2^116589931 is an apocalyptic number.

116589931 is a deficient number, since it is larger than the sum of its proper divisors (1).

116589931 is an equidigital number, since it uses as much as digits as its factorization.

116589931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 43.

The square root of 116589931 is about 10797.6817419296. The cubic root of 116589931 is about 488.5252493683.

The spelling of 116589931 in words is "one hundred sixteen million, five hundred eighty-nine thousand, nine hundred thirty-one".