863343897 has 8 divisors (see below), whose sum is σ = 1239673344. Its totient is φ = 531288528.

The previous prime is 863343851. The next prime is 863343911. The reversal of 863343897 is 798343368.

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

It is not a de Polignac number, because 863343897 - 2¹¹ = 863341849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (863343097) 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, 11068473 + ... + 11068550.

It is an arithmetic number, because the mean of its divisors is an integer number (154959168).

Almost surely, 2^863343897 is an apocalyptic number.

It is an amenable number.

863343897 is a deficient number, since it is larger than the sum of its proper divisors (376329447).

863343897 is a wasteful number, since it uses less digits than its factorization.

863343897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22137039.

The product of its digits is 2612736, while the sum is 51.

The square root of 863343897 is about 29382.7142551535. The cubic root of 863343897 is about 952.1994824924.

The spelling of 863343897 in words is "eight hundred sixty-three million, three hundred forty-three thousand, eight hundred ninety-seven".