847340453 has 4 divisors (see below), whose sum is σ = 874674048. Its totient is φ = 820006860.

The previous prime is 847340449. The next prime is 847340489. The reversal of 847340453 is 354043748.

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.

It is a cyclic number.

It is not a de Polignac number, because 847340453 - 2² = 847340449 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (847340653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13666751 + ... + 13666812.

It is an arithmetic number, because the mean of its divisors is an integer number (218668512).

Almost surely, 2^847340453 is an apocalyptic number.

It is an amenable number.

847340453 is a deficient number, since it is larger than the sum of its proper divisors (27333595).

847340453 is a wasteful number, since it uses less digits than its factorization.

847340453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27333594.

The product of its (nonzero) digits is 161280, while the sum is 38.

The square root of 847340453 is about 29109.1128858301. The cubic root of 847340453 is about 946.2792424769.

The spelling of 847340453 in words is "eight hundred forty-seven million, three hundred forty thousand, four hundred fifty-three".