6323578257 has 4 divisors (see below), whose sum is σ = 8431437680. Its totient is φ = 4215718836.

The previous prime is 6323578253. The next prime is 6323578273. The reversal of 6323578257 is 7528753236.

6323578257 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6323578257 - 2² = 6323578253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6323578253) 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, 1053929707 + ... + 1053929712.

It is an arithmetic number, because the mean of its divisors is an integer number (2107859420).

Almost surely, 2^6323578257 is an apocalyptic number.

It is an amenable number.

6323578257 is a deficient number, since it is larger than the sum of its proper divisors (2107859423).

6323578257 is a wasteful number, since it uses less digits than its factorization.

6323578257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107859422.

The product of its digits is 2116800, while the sum is 48.

The square root of 6323578257 is about 79520.9296789216. The cubic root of 6323578257 is about 1849.2159577086.

The spelling of 6323578257 in words is "six billion, three hundred twenty-three million, five hundred seventy-eight thousand, two hundred fifty-seven".