718456085 has 16 divisors (see below), whose sum is σ = 870145200. Its totient is φ = 569450496.

The previous prime is 718456073. The next prime is 718456087. The reversal of 718456085 is 580654817.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 225660484 + 492795601 = 15022^2 + 22199^2 .

It is a cyclic number.

It is not a de Polignac number, because 718456085 - 2²² = 714261781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (718456087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 635801 + ... + 636929.

It is an arithmetic number, because the mean of its divisors is an integer number (54384075).

Almost surely, 2^718456085 is an apocalyptic number.

It is an amenable number.

718456085 is a deficient number, since it is larger than the sum of its proper divisors (151689115).

718456085 is a wasteful number, since it uses less digits than its factorization.

718456085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200.

The product of its (nonzero) digits is 268800, while the sum is 44.

The square root of 718456085 is about 26804.0311333948. The cubic root of 718456085 is about 895.6398512212.

The spelling of 718456085 in words is "seven hundred eighteen million, four hundred fifty-six thousand, eighty-five".