8790329645 has 4 divisors (see below), whose sum is σ = 10548395580. Its totient is φ = 7032263712.

The previous prime is 8790329623. The next prime is 8790329663. The reversal of 8790329645 is 5469230978.

It is a happy number.

8790329645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1477172356 + 7313157289 = 38434^2 + 85517^2 .

It is a cyclic number.

It is not a de Polignac number, because 8790329645 - 2¹² = 8790325549 is a prime.

It is a super-3 number, since 3×8790329645³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 879032960 + ... + 879032969.

It is an arithmetic number, because the mean of its divisors is an integer number (2637098895).

Almost surely, 2^8790329645 is an apocalyptic number.

It is an amenable number.

8790329645 is a deficient number, since it is larger than the sum of its proper divisors (1758065935).

8790329645 is a wasteful number, since it uses less digits than its factorization.

8790329645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758065934.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The square root of 8790329645 is about 93756.7578631002. The cubic root of 8790329645 is about 2063.8037025780.

The spelling of 8790329645 in words is "eight billion, seven hundred ninety million, three hundred twenty-nine thousand, six hundred forty-five".