28388303035813 has 8 divisors (see below), whose sum is σ = 32513847849728. Its totient is φ = 24280276459824.

The previous prime is 28388303035787. The next prime is 28388303035853. The reversal of 28388303035813 is 31853030388382.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-28388303035813 is a prime.

It is a super-4 number, since 4×28388303035813⁴ (a number of 55 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28388303035853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4379556006 + ... + 4379562487.

It is an arithmetic number, because the mean of its divisors is an integer number (4064230981216).

Almost surely, 2^{28388303035813} is an apocalyptic number.

It is an amenable number.

28388303035813 is a deficient number, since it is larger than the sum of its proper divisors (4125544813915).

28388303035813 is an equidigital number, since it uses as much as digits as its factorization.

28388303035813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8759118963.

The product of its (nonzero) digits is 9953280, while the sum is 55.

The spelling of 28388303035813 in words is "twenty-eight trillion, three hundred eighty-eight billion, three hundred three million, thirty-five thousand, eight hundred thirteen".