28817632417 has 16 divisors (see below), whose sum is σ = 33377124352. Its totient is φ = 24370586640.

The previous prime is 28817632409. The next prime is 28817632423. The reversal of 28817632417 is 71423671882.

It is a cyclic number.

It is not a de Polignac number, because 28817632417 - 2³ = 28817632409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28817632517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121648 + ... + 269134.

It is an arithmetic number, because the mean of its divisors is an integer number (2086070272).

Almost surely, 2^28817632417 is an apocalyptic number.

It is an amenable number.

28817632417 is a deficient number, since it is larger than the sum of its proper divisors (4559491935).

28817632417 is a wasteful number, since it uses less digits than its factorization.

28817632417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147868.

The product of its digits is 903168, while the sum is 49.

The spelling of 28817632417 in words is "twenty-eight billion, eight hundred seventeen million, six hundred thirty-two thousand, four hundred seventeen".