28990011009983 has 8 divisors (see below), whose sum is σ = 31091570895600. Its totient is φ = 26946028107648.

The previous prime is 28990011009979. The next prime is 28990011010013. The reversal of 28990011009983 is 38990011009982.

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 28990011009983 - 2² = 28990011009979 is a prime.

It is a super-3 number, since 3×28990011009983³ (a number of 41 digits) contains 333 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 (28990011009383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14394244778 + ... + 14394246791.

It is an arithmetic number, because the mean of its divisors is an integer number (3886446361950).

Almost surely, 2^{28990011009983} is an apocalyptic number.

28990011009983 is a deficient number, since it is larger than the sum of its proper divisors (2101559885617).

28990011009983 is a wasteful number, since it uses less digits than its factorization.

28990011009983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28788491641.

The product of its (nonzero) digits is 2519424, while the sum is 59.

Subtracting 28990011009983 from its reverse (38990011009982), we obtain a palindrome (9999999999999).

The spelling of 28990011009983 in words is "twenty-eight trillion, nine hundred ninety billion, eleven million, nine thousand, nine hundred eighty-three".