116857864 has 16 divisors (see below), whose sum is σ = 231997500. Its totient is φ = 54991872.

The previous prime is 116857861. The next prime is 116857891. The reversal of 116857864 is 468758611.

It can be written as a sum of positive squares in 2 ways, for example, as 116856100 + 1764 = 10810^2 + 42^2 .

It is not an unprimeable number, because it can be changed into a prime (116857861) 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 3 ways as a sum of consecutive naturals, for example, 429489 + ... + 429760.

Almost surely, 2^116857864 is an apocalyptic number.

It is an amenable number.

116857864 is a deficient number, since it is larger than the sum of its proper divisors (115139636).

116857864 is a wasteful number, since it uses less digits than its factorization.

116857864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859272 (or 859268 counting only the distinct ones).

The product of its digits is 322560, while the sum is 46.

The square root of 116857864 is about 10810.0815908114. The cubic root of 116857864 is about 488.8991864528.

The spelling of 116857864 in words is "one hundred sixteen million, eight hundred fifty-seven thousand, eight hundred sixty-four".