28335309299 has 16 divisors (see below), whose sum is σ = 31986385920. Its totient is φ = 24863936160.

The previous prime is 28335309263. The next prime is 28335309307. The reversal of 28335309299 is 99290353382.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28335309299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28335309299.

It is not an unprimeable number, because it can be changed into a prime (28335308299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1305752 + ... + 1327274.

It is an arithmetic number, because the mean of its divisors is an integer number (1999149120).

Almost surely, 2^28335309299 is an apocalyptic number.

28335309299 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

28335309299 is a deficient number, since it is larger than the sum of its proper divisors (3651076621).

28335309299 is a wasteful number, since it uses less digits than its factorization.

28335309299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25690.

The product of its (nonzero) digits is 3149280, while the sum is 53.

The spelling of 28335309299 in words is "twenty-eight billion, three hundred thirty-five million, three hundred nine thousand, two hundred ninety-nine".