116387081 has 4 divisors (see below), whose sum is σ = 117275664. Its totient is φ = 115498500.

The previous prime is 116387071. The next prime is 116387101. The reversal of 116387081 is 180783611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 116387081 - 2⁶ = 116387017 is a prime.

It is a super-2 number, since 2×116387081² = 27091905247401122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116387021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444095 + ... + 444356.

It is an arithmetic number, because the mean of its divisors is an integer number (29318916).

Almost surely, 2^116387081 is an apocalyptic number.

It is an amenable number.

116387081 is a deficient number, since it is larger than the sum of its proper divisors (888583).

116387081 is an equidigital number, since it uses as much as digits as its factorization.

116387081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888582.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 116387081 is about 10788.2844326612. The cubic root of 116387081 is about 488.2417632690.

The spelling of 116387081 in words is "one hundred sixteen million, three hundred eighty-seven thousand, eighty-one".