28299873065 has 8 divisors (see below), whose sum is σ = 34277230080. Its totient is φ = 22428310192.

The previous prime is 28299873037. The next prime is 28299873083. The reversal of 28299873065 is 56037899282.

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 28299873065 - 2⁶ = 28299873001 is a prime.

It is a super-2 number, since 2×28299873065² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28299872995 and 28299873013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26447945 + ... + 26449014.

It is an arithmetic number, because the mean of its divisors is an integer number (4284653760).

Almost surely, 2^28299873065 is an apocalyptic number.

It is an amenable number.

28299873065 is a deficient number, since it is larger than the sum of its proper divisors (5977357015).

28299873065 is a wasteful number, since it uses less digits than its factorization.

28299873065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52897071.

The product of its (nonzero) digits is 13063680, while the sum is 59.

The spelling of 28299873065 in words is "twenty-eight billion, two hundred ninety-nine million, eight hundred seventy-three thousand, sixty-five".