28887203441 has 16 divisors (see below), whose sum is σ = 30438678144. Its totient is φ = 27361597824.

The previous prime is 28887203431. The next prime is 28887203459. The reversal of 28887203441 is 14430278882.

It is a happy number.

It is not a de Polignac number, because 28887203441 - 2⁶ = 28887203377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28887203431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1024565 + ... + 1052381.

It is an arithmetic number, because the mean of its divisors is an integer number (1902417384).

Almost surely, 2^28887203441 is an apocalyptic number.

It is an amenable number.

28887203441 is a deficient number, since it is larger than the sum of its proper divisors (1551474703).

28887203441 is a wasteful number, since it uses less digits than its factorization.

28887203441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28280.

The product of its (nonzero) digits is 688128, while the sum is 47.

The spelling of 28887203441 in words is "twenty-eight billion, eight hundred eighty-seven million, two hundred three thousand, four hundred forty-one".