116729857 has 8 divisors (see below), whose sum is σ = 120054312. Its totient is φ = 113414400.

The previous prime is 116729839. The next prime is 116729867. The reversal of 116729857 is 758927611.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 44836416 + 71893441 = 6696^2 + 8479^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116729857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116729867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30807 + ... + 34387.

It is an arithmetic number, because the mean of its divisors is an integer number (15006789).

Almost surely, 2^116729857 is an apocalyptic number.

It is an amenable number.

116729857 is a deficient number, since it is larger than the sum of its proper divisors (3324455).

116729857 is an equidigital number, since it uses as much as digits as its factorization.

116729857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4499.

The product of its digits is 211680, while the sum is 46.

The square root of 116729857 is about 10804.1592454017. The cubic root of 116729857 is about 488.7206065922.

The spelling of 116729857 in words is "one hundred sixteen million, seven hundred twenty-nine thousand, eight hundred fifty-seven".