8238145791 has 8 divisors (see below), whose sum is σ = 11006567424. Its totient is φ = 5480910680.

The previous prime is 8238145697. The next prime is 8238145801. The reversal of 8238145791 is 1975418328.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8238145791 - 2¹¹ = 8238143743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8238145791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8238145891) 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 7 ways as a sum of consecutive naturals, for example, 2794911 + ... + 2797856.

It is an arithmetic number, because the mean of its divisors is an integer number (1375820928).

Almost surely, 2^8238145791 is an apocalyptic number.

8238145791 is a deficient number, since it is larger than the sum of its proper divisors (2768421633).

8238145791 is a wasteful number, since it uses less digits than its factorization.

8238145791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5593261.

The product of its digits is 483840, while the sum is 48.

The square root of 8238145791 is about 90764.2318923044. The cubic root of 8238145791 is about 2019.6517544126.

The spelling of 8238145791 in words is "eight billion, two hundred thirty-eight million, one hundred forty-five thousand, seven hundred ninety-one".