28877480900191 has 16 divisors (see below), whose sum is σ = 36068912305920. Its totient is φ = 22460796146880.

The previous prime is 28877480900189. The next prime is 28877480900237. The reversal of 28877480900191 is 19100908477882.

It is not a de Polignac number, because 28877480900191 - 2¹ = 28877480900189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28877480910191) 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 15 ways as a sum of consecutive naturals, for example, 342766126 + ... + 342850363.

It is an arithmetic number, because the mean of its divisors is an integer number (2254307019120).

Almost surely, 2^{28877480900191} is an apocalyptic number.

28877480900191 is a deficient number, since it is larger than the sum of its proper divisors (7191431405729).

28877480900191 is a wasteful number, since it uses less digits than its factorization.

28877480900191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685617054.

The product of its (nonzero) digits is 16257024, while the sum is 64.

The spelling of 28877480900191 in words is "twenty-eight trillion, eight hundred seventy-seven billion, four hundred eighty million, nine hundred thousand, one hundred ninety-one".