116708509 has 12 divisors (see below), whose sum is σ = 125002332. Its totient is φ = 108891200.

The previous prime is 116708483. The next prime is 116708533. The reversal of 116708509 is 905807611.

It can be written as a sum of positive squares in 2 ways, for example, as 18896409 + 97812100 = 4347^2 + 9890^2 .

It is not a de Polignac number, because 116708509 - 2¹¹ = 116706461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116708539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18999 + ... + 24379.

It is an arithmetic number, because the mean of its divisors is an integer number (10416861).

Almost surely, 2^116708509 is an apocalyptic number.

It is an amenable number.

116708509 is a deficient number, since it is larger than the sum of its proper divisors (8293823).

116708509 is an equidigital number, since it uses as much as digits as its factorization.

116708509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5468 (or 5445 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 116708509 is about 10803.1712473699. The cubic root of 116708509 is about 488.6908117483.

The spelling of 116708509 in words is "one hundred sixteen million, seven hundred eight thousand, five hundred nine".