116788321 has 8 divisors (see below), whose sum is σ = 126501480. Its totient is φ = 107179392.

The previous prime is 116788297. The next prime is 116788339. The reversal of 116788321 is 123887611.

It can be written as a sum of positive squares in 4 ways, for example, as 53363025 + 63425296 = 7305^2 + 7964^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 116788321 - 2¹⁵ = 116755553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116782321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23716 + ... + 28213.

It is an arithmetic number, because the mean of its divisors is an integer number (15812685).

Almost surely, 2^116788321 is an apocalyptic number.

It is an amenable number.

116788321 is a deficient number, since it is larger than the sum of its proper divisors (9713159).

116788321 is a wasteful number, since it uses less digits than its factorization.

116788321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52115.

The product of its digits is 16128, while the sum is 37.

The square root of 116788321 is about 10806.8645313985. The cubic root of 116788321 is about 488.8021846718.

The spelling of 116788321 in words is "one hundred sixteen million, seven hundred eighty-eight thousand, three hundred twenty-one".