116286587 has 4 divisors (see below), whose sum is σ = 116418576. Its totient is φ = 116154600.

The previous prime is 116286563. The next prime is 116286623. The reversal of 116286587 is 785682611.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116286587 is a prime.

It is a super-2 number, since 2×116286587² = 27045140632217138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116280587) 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, 64664 + ... + 66437.

It is an arithmetic number, because the mean of its divisors is an integer number (29104644).

Almost surely, 2^116286587 is an apocalyptic number.

116286587 is a deficient number, since it is larger than the sum of its proper divisors (131989).

116286587 is an equidigital number, since it uses as much as digits as its factorization.

116286587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131988.

The product of its digits is 161280, while the sum is 44.

The square root of 116286587 is about 10783.6258744450. The cubic root of 116286587 is about 488.1011992824.

The spelling of 116286587 in words is "one hundred sixteen million, two hundred eighty-six thousand, five hundred eighty-seven".