116381887 has 4 divisors (see below), whose sum is σ = 116972856. Its totient is φ = 115790920.

The previous prime is 116381879. The next prime is 116381893. The reversal of 116381887 is 788183611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 116381887 - 2³ = 116381879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116381387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295189 + ... + 295582.

It is an arithmetic number, because the mean of its divisors is an integer number (29243214).

Almost surely, 2^116381887 is an apocalyptic number.

116381887 is a deficient number, since it is larger than the sum of its proper divisors (590969).

116381887 is an equidigital number, since it uses as much as digits as its factorization.

116381887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590968.

The product of its digits is 64512, while the sum is 43.

The square root of 116381887 is about 10788.0437058811. The cubic root of 116381887 is about 488.2345002480.

The spelling of 116381887 in words is "one hundred sixteen million, three hundred eighty-one thousand, eight hundred eighty-seven".