8728413231 has 4 divisors (see below), whose sum is σ = 11637884312. Its totient is φ = 5818942152.

The previous prime is 8728413217. The next prime is 8728413259. The reversal of 8728413231 is 1323148278.

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

It is not a de Polignac number, because 8728413231 - 2¹³ = 8728405039 is a prime.

It is a super-2 number, since 2×8728413231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8728413231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8728413131) 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, 1454735536 + ... + 1454735541.

It is an arithmetic number, because the mean of its divisors is an integer number (2909471078).

Almost surely, 2^8728413231 is an apocalyptic number.

8728413231 is a deficient number, since it is larger than the sum of its proper divisors (2909471081).

8728413231 is a wasteful number, since it uses less digits than its factorization.

8728413231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2909471080.

The product of its digits is 64512, while the sum is 39.

The square root of 8728413231 is about 93425.9772814820. The cubic root of 8728413231 is about 2058.9466785705.

The spelling of 8728413231 in words is "eight billion, seven hundred twenty-eight million, four hundred thirteen thousand, two hundred thirty-one".