8045218357 has 4 divisors (see below), whose sum is σ = 8776601856. Its totient is φ = 7313834860.

The previous prime is 8045218351. The next prime is 8045218381. The reversal of 8045218357 is 7538125408.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8045218357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8045218351) 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 3 ways as a sum of consecutive naturals, for example, 365691733 + ... + 365691754.

It is an arithmetic number, because the mean of its divisors is an integer number (2194150464).

Almost surely, 2^8045218357 is an apocalyptic number.

It is an amenable number.

8045218357 is a deficient number, since it is larger than the sum of its proper divisors (731383499).

8045218357 is a wasteful number, since it uses less digits than its factorization.

8045218357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731383498.

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 8045218357 is about 89695.1412117736. The cubic root of 8045218357 is about 2003.7611189750.

The spelling of 8045218357 in words is "eight billion, forty-five million, two hundred eighteen thousand, three hundred fifty-seven".