8365728453 has 16 divisors (see below), whose sum is σ = 11458411776. Its totient is φ = 5425168320.

The previous prime is 8365728451. The next prime is 8365728457. The reversal of 8365728453 is 3548275638.

It is a happy number.

It is not a de Polignac number, because 8365728453 - 2¹ = 8365728451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8365728396 and 8365728405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8365728451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 948100 + ... + 956882.

It is an arithmetic number, because the mean of its divisors is an integer number (716150736).

Almost surely, 2^8365728453 is an apocalyptic number.

It is an amenable number.

8365728453 is a deficient number, since it is larger than the sum of its proper divisors (3092683323).

8365728453 is a wasteful number, since it uses less digits than its factorization.

8365728453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17404.

The product of its digits is 4838400, while the sum is 51.

The square root of 8365728453 is about 91464.3561886268. The cubic root of 8365728453 is about 2030.0243837818.

The spelling of 8365728453 in words is "eight billion, three hundred sixty-five million, seven hundred twenty-eight thousand, four hundred fifty-three".