28331276005 has 8 divisors (see below), whose sum is σ = 34037114400. Its totient is φ = 22638632016.

The previous prime is 28331275997. The next prime is 28331276011. The reversal of 28331276005 is 50067213382.

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 28331276005 - 2³ = 28331275997 is a prime.

It is a super-2 number, since 2×28331276005² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3293875 + ... + 3302464.

It is an arithmetic number, because the mean of its divisors is an integer number (4254639300).

Almost surely, 2^28331276005 is an apocalyptic number.

It is an amenable number.

28331276005 is a deficient number, since it is larger than the sum of its proper divisors (5705838395).

28331276005 is an equidigital number, since it uses as much as digits as its factorization.

28331276005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6597203.

The product of its (nonzero) digits is 60480, while the sum is 37.

Adding to 28331276005 its reverse (50067213382), we get a palindrome (78398489387).

The spelling of 28331276005 in words is "twenty-eight billion, three hundred thirty-one million, two hundred seventy-six thousand, five".