116858765 has 32 divisors (see below), whose sum is σ = 154884960. Its totient is φ = 84271104.

The previous prime is 116858761. The next prime is 116858767. The reversal of 116858765 is 567858611.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 1532644 + 115326121 = 1238^2 + 10739^2 .

It is a cyclic number.

It is not a de Polignac number, because 116858765 - 2² = 116858761 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116858761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229331 + ... + 229839.

It is an arithmetic number, because the mean of its divisors is an integer number (4840155).

Almost surely, 2^116858765 is an apocalyptic number.

It is an amenable number.

116858765 is a deficient number, since it is larger than the sum of its proper divisors (38026195).

116858765 is a wasteful number, since it uses less digits than its factorization.

116858765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641.

The product of its digits is 403200, while the sum is 47.

The square root of 116858765 is about 10810.1232647921. The cubic root of 116858765 is about 488.9004429566.

The spelling of 116858765 in words is "one hundred sixteen million, eight hundred fifty-eight thousand, seven hundred sixty-five".