916768459 has 4 divisors (see below), whose sum is σ = 921422304. Its totient is φ = 912114616.

The previous prime is 916768453. The next prime is 916768481. The reversal of 916768459 is 954867619.

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 916768459 - 2⁵ = 916768427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (916768453) 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, 2326627 + ... + 2327020.

It is an arithmetic number, because the mean of its divisors is an integer number (230355576).

Almost surely, 2^916768459 is an apocalyptic number.

916768459 is a deficient number, since it is larger than the sum of its proper divisors (4653845).

916768459 is a wasteful number, since it uses less digits than its factorization.

916768459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4653844.

The product of its digits is 3265920, while the sum is 55.

The square root of 916768459 is about 30278.1845393676. The cubic root of 916768459 is about 971.4487364378.

The spelling of 916768459 in words is "nine hundred sixteen million, seven hundred sixty-eight thousand, four hundred fifty-nine".