868683593 has 4 divisors (see below), whose sum is σ = 868771200. Its totient is φ = 868595988.

The previous prime is 868683587. The next prime is 868683601. The reversal of 868683593 is 395386868.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 868683593 - 2⁸ = 868683337 is a prime.

It is a super-2 number, since 2×868683593² = 1509222369494779298, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (868683503) 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, 26705 + ... + 49502.

It is an arithmetic number, because the mean of its divisors is an integer number (217192800).

Almost surely, 2^868683593 is an apocalyptic number.

It is an amenable number.

868683593 is a deficient number, since it is larger than the sum of its proper divisors (87607).

868683593 is a wasteful number, since it uses less digits than its factorization.

868683593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87606.

The product of its digits is 7464960, while the sum is 56.

The square root of 868683593 is about 29473.4387712055. The cubic root of 868683593 is about 954.1585354922.

The spelling of 868683593 in words is "eight hundred sixty-eight million, six hundred eighty-three thousand, five hundred ninety-three".