28496955869 has 8 divisors (see below), whose sum is σ = 28805626080. Its totient is φ = 28189766736.

The previous prime is 28496955793. The next prime is 28496955901. The reversal of 28496955869 is 96855969482.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28496955869 is a prime.

It is a super-2 number, since 2×28496955869² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28496955169) 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, 331559 + ... + 408564.

It is an arithmetic number, because the mean of its divisors is an integer number (3600703260).

Almost surely, 2^28496955869 is an apocalyptic number.

It is an amenable number.

28496955869 is a deficient number, since it is larger than the sum of its proper divisors (308670211).

28496955869 is a wasteful number, since it uses less digits than its factorization.

28496955869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740539.

The product of its digits is 335923200, while the sum is 71.

The spelling of 28496955869 in words is "twenty-eight billion, four hundred ninety-six million, nine hundred fifty-five thousand, eight hundred sixty-nine".