116143487 has 4 divisors (see below), whose sum is σ = 117448560. Its totient is φ = 114838416.

The previous prime is 116143459. The next prime is 116143493. The reversal of 116143487 is 784341611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 784341611 = 20441 ⋅38371.

It is a cyclic number.

It is not a de Polignac number, because 116143487 - 2¹⁸ = 115881343 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 (116143427) 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, 652403 + ... + 652580.

It is an arithmetic number, because the mean of its divisors is an integer number (29362140).

Almost surely, 2^116143487 is an apocalyptic number.

116143487 is a deficient number, since it is larger than the sum of its proper divisors (1305073).

116143487 is an equidigital number, since it uses as much as digits as its factorization.

116143487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305072.

The product of its digits is 16128, while the sum is 35.

The square root of 116143487 is about 10776.9887723798. The cubic root of 116143487 is about 487.9009011685.

The spelling of 116143487 in words is "one hundred sixteen million, one hundred forty-three thousand, four hundred eighty-seven".