6423258578 has 16 divisors (see below), whose sum is σ = 10609022304. Its totient is φ = 2892375360.

The previous prime is 6423258557. The next prime is 6423258593. The reversal of 6423258578 is 8758523246.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1361975 + ... + 1366682.

It is an arithmetic number, because the mean of its divisors is an integer number (663063894).

Almost surely, 2^6423258578 is an apocalyptic number.

6423258578 is a deficient number, since it is larger than the sum of its proper divisors (4185763726).

6423258578 is a wasteful number, since it uses less digits than its factorization.

6423258578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728777.

The product of its digits is 3225600, while the sum is 50.

The square root of 6423258578 is about 80145.2342812721. The cubic root of 6423258578 is about 1858.8819134912.

The spelling of 6423258578 in words is "six billion, four hundred twenty-three million, two hundred fifty-eight thousand, five hundred seventy-eight".