8578424423 has 4 divisors (see below), whose sum is σ = 8645971200. Its totient is φ = 8510877648.

The previous prime is 8578424353. The next prime is 8578424441. The reversal of 8578424423 is 3244248758.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8578424423 - 2⁸ = 8578424167 is a prime.

It is a super-2 number, since 2×8578424423² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8578424483) 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, 33773198 + ... + 33773451.

It is an arithmetic number, because the mean of its divisors is an integer number (2161492800).

Almost surely, 2^8578424423 is an apocalyptic number.

8578424423 is a deficient number, since it is larger than the sum of its proper divisors (67546777).

8578424423 is a wasteful number, since it uses less digits than its factorization.

8578424423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67546776.

The product of its digits is 1720320, while the sum is 47.

The square root of 8578424423 is about 92619.7841878289. The cubic root of 8578424423 is about 2047.0848450751.

The spelling of 8578424423 in words is "eight billion, five hundred seventy-eight million, four hundred twenty-four thousand, four hundred twenty-three".