116787543 has 4 divisors (see below), whose sum is σ = 155716728. Its totient is φ = 77858360.

The previous prime is 116787511. The next prime is 116787563. The reversal of 116787543 is 345787611.

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 116787543 - 2⁵ = 116787511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 116787495 and 116787504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116787563) 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, 19464588 + ... + 19464593.

It is an arithmetic number, because the mean of its divisors is an integer number (38929182).

Almost surely, 2^116787543 is an apocalyptic number.

116787543 is a deficient number, since it is larger than the sum of its proper divisors (38929185).

116787543 is an equidigital number, since it uses as much as digits as its factorization.

116787543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38929184.

The product of its digits is 141120, while the sum is 42.

The square root of 116787543 is about 10806.8285356991. The cubic root of 116787543 is about 488.8010992638.

The spelling of 116787543 in words is "one hundred sixteen million, seven hundred eighty-seven thousand, five hundred forty-three".