116678731 has 8 divisors (see below), whose sum is σ = 125737920. Its totient is φ = 107631552.

The previous prime is 116678713. The next prime is 116678767. The reversal of 116678731 is 137876611.

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 116678731 - 2⁷ = 116678603 is a prime.

It is a super-2 number, since 2×116678731² = 27227852535540722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116673731) 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, 37086 + ... + 40108.

It is an arithmetic number, because the mean of its divisors is an integer number (15717240).

Almost surely, 2^116678731 is an apocalyptic number.

116678731 is a deficient number, since it is larger than the sum of its proper divisors (9059189).

116678731 is a wasteful number, since it uses less digits than its factorization.

116678731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6005.

The product of its digits is 42336, while the sum is 40.

The square root of 116678731 is about 10801.7929530240. The cubic root of 116678731 is about 488.6492453051.

It can be divided in two parts, 1166 and 78731, that added together give a palindrome (79897).

The spelling of 116678731 in words is "one hundred sixteen million, six hundred seventy-eight thousand, seven hundred thirty-one".