8316544457 has 8 divisors (see below), whose sum is σ = 9038447880. Its totient is φ = 7606379520.

The previous prime is 8316544451. The next prime is 8316544469. The reversal of 8316544457 is 7544456138.

It can be written as a sum of positive squares in 4 ways, for example, as 1097663161 + 7218881296 = 33131^2 + 84964^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8316544457 - 2¹⁶ = 8316478921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8316544451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2933144 + ... + 2935977.

It is an arithmetic number, because the mean of its divisors is an integer number (1129805985).

Almost surely, 2^8316544457 is an apocalyptic number.

It is an amenable number.

8316544457 is a deficient number, since it is larger than the sum of its proper divisors (721903423).

8316544457 is a wasteful number, since it uses less digits than its factorization.

8316544457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5869243.

The product of its digits is 1612800, while the sum is 47.

The square root of 8316544457 is about 91195.0900926141. The cubic root of 8316544457 is about 2026.0382386748.

The spelling of 8316544457 in words is "eight billion, three hundred sixteen million, five hundred forty-four thousand, four hundred fifty-seven".