566853897 has 4 divisors (see below), whose sum is σ = 755805200. Its totient is φ = 377902596.

The previous prime is 566853893. The next prime is 566853953. The reversal of 566853897 is 798358665.

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 not a de Polignac number, because 566853897 - 2² = 566853893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (566853893) 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, 94475647 + ... + 94475652.

It is an arithmetic number, because the mean of its divisors is an integer number (188951300).

Almost surely, 2^566853897 is an apocalyptic number.

It is an amenable number.

566853897 is a deficient number, since it is larger than the sum of its proper divisors (188951303).

566853897 is a wasteful number, since it uses less digits than its factorization.

566853897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188951302.

The product of its digits is 10886400, while the sum is 57.

The square root of 566853897 is about 23808.6937272921. The cubic root of 566853897 is about 827.6061556082.

The spelling of 566853897 in words is "five hundred sixty-six million, eight hundred fifty-three thousand, eight hundred ninety-seven".