845483897 has 4 divisors (see below), whose sum is σ = 853240740. Its totient is φ = 837727056.

The previous prime is 845483867. The next prime is 845483911. The reversal of 845483897 is 798384548.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 221533456 + 623950441 = 14884^2 + 24979^2 .

It is a cyclic number.

It is not a de Polignac number, because 845483897 - 2¹⁶ = 845418361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (845483867) 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, 3878258 + ... + 3878475.

It is an arithmetic number, because the mean of its divisors is an integer number (213310185).

Almost surely, 2^845483897 is an apocalyptic number.

It is an amenable number.

845483897 is a deficient number, since it is larger than the sum of its proper divisors (7756843).

845483897 is a wasteful number, since it uses less digits than its factorization.

845483897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7756842.

The product of its digits is 7741440, while the sum is 56.

The square root of 845483897 is about 29077.2057976691. The cubic root of 845483897 is about 945.5876255278.

The spelling of 845483897 in words is "eight hundred forty-five million, four hundred eighty-three thousand, eight hundred ninety-seven".