8394273231 has 4 divisors (see below), whose sum is σ = 11192364312. Its totient is φ = 5596182152.

The previous prime is 8394273227. The next prime is 8394273259. The reversal of 8394273231 is 1323724938.

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 8394273231 - 2² = 8394273227 is a prime.

It is a super-2 number, since 2×8394273231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8394273281) 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, 1399045536 + ... + 1399045541.

It is an arithmetic number, because the mean of its divisors is an integer number (2798091078).

Almost surely, 2^8394273231 is an apocalyptic number.

8394273231 is a deficient number, since it is larger than the sum of its proper divisors (2798091081).

8394273231 is a wasteful number, since it uses less digits than its factorization.

8394273231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798091080.

The product of its digits is 217728, while the sum is 42.

The square root of 8394273231 is about 91620.2664861874. The cubic root of 8394273231 is about 2032.3306508986.

It can be divided in two parts, 8394 and 273231, that added together give a triangular number (281625 = T₇₅₀).

The spelling of 8394273231 in words is "eight billion, three hundred ninety-four million, two hundred seventy-three thousand, two hundred thirty-one".