116587457 has 4 divisors (see below), whose sum is σ = 133242816. Its totient is φ = 99932100.

The previous prime is 116587441. The next prime is 116587463. The reversal of 116587457 is 754785611.

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, and also an emirpimes, since its reverse is a distinct semiprime: 754785611 = 1213 ⋅622247.

It is a cyclic number.

It is not a de Polignac number, because 116587457 - 2⁴ = 116587441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116587487) 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, 8327669 + ... + 8327682.

It is an arithmetic number, because the mean of its divisors is an integer number (33310704).

Almost surely, 2^116587457 is an apocalyptic number.

It is an amenable number.

116587457 is a deficient number, since it is larger than the sum of its proper divisors (16655359).

116587457 is an equidigital number, since it uses as much as digits as its factorization.

116587457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16655358.

The product of its digits is 235200, while the sum is 44.

The square root of 116587457 is about 10797.5671796938. The cubic root of 116587457 is about 488.5217938954.

The spelling of 116587457 in words is "one hundred sixteen million, five hundred eighty-seven thousand, four hundred fifty-seven".