28976345269 has 8 divisors (see below), whose sum is σ = 29387430720. Its totient is φ = 28565342400.

The previous prime is 28976345243. The next prime is 28976345291. The reversal of 28976345269 is 96254367982.

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 28976345269 - 2⁹ = 28976344757 is a prime.

It is a super-2 number, since 2×28976345269² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28976345239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1161214 + ... + 1185904.

It is an arithmetic number, because the mean of its divisors is an integer number (3673428840).

Almost surely, 2^28976345269 is an apocalyptic number.

It is an amenable number.

28976345269 is a deficient number, since it is larger than the sum of its proper divisors (411085451).

28976345269 is a wasteful number, since it uses less digits than its factorization.

28976345269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41291.

The product of its digits is 39191040, while the sum is 61.

The spelling of 28976345269 in words is "twenty-eight billion, nine hundred seventy-six million, three hundred forty-five thousand, two hundred sixty-nine".