28866880195 has 16 divisors (see below), whose sum is σ = 35462496672. Its totient is φ = 22551609600.

The previous prime is 28866880193. The next prime is 28866880223. The reversal of 28866880195 is 59108866882.

It is not a de Polignac number, because 28866880195 - 2¹ = 28866880193 is a prime.

It is a super-3 number, since 3×28866880195³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28866880193) 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, 354657 + ... + 428386.

It is an arithmetic number, because the mean of its divisors is an integer number (2216406042).

Almost surely, 2^28866880195 is an apocalyptic number.

28866880195 is a deficient number, since it is larger than the sum of its proper divisors (6595616477).

28866880195 is a wasteful number, since it uses less digits than its factorization.

28866880195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783222.

The product of its (nonzero) digits is 13271040, while the sum is 61.

It can be divided in two parts, 288668 and 80195, that added together give a palindrome (368863).

The spelling of 28866880195 in words is "twenty-eight billion, eight hundred sixty-six million, eight hundred eighty thousand, one hundred ninety-five".