28408411017 has 32 divisors (see below), whose sum is σ = 50928249600. Its totient is φ = 15278471424.

The previous prime is 28408410973. The next prime is 28408411021. The reversal of 28408411017 is 71011480482.

It is not a de Polignac number, because 28408411017 - 2⁷ = 28408410889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28408411417) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 4417642 + ... + 4424067.

It is an arithmetic number, because the mean of its divisors is an integer number (1591507800).

Almost surely, 2^28408411017 is an apocalyptic number.

28408411017 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

28408411017 is a deficient number, since it is larger than the sum of its proper divisors (22519838583).

28408411017 is a wasteful number, since it uses less digits than its factorization.

28408411017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8841742 (or 8841736 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

Adding to 28408411017 its reverse (71011480482), we get a palindrome (99419891499).

The spelling of 28408411017 in words is "twenty-eight billion, four hundred eight million, four hundred eleven thousand, seventeen".