28984366087 has 8 divisors (see below), whose sum is σ = 30692221056. Its totient is φ = 27276832512.

The previous prime is 28984366079. The next prime is 28984366091. The reversal of 28984366087 is 78066348982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28984366087 - 2³ = 28984366079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28984366057) 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 7 ways as a sum of consecutive naturals, for example, 119563 + ... + 268819.

It is an arithmetic number, because the mean of its divisors is an integer number (3836527632).

Almost surely, 2^28984366087 is an apocalyptic number.

28984366087 is a deficient number, since it is larger than the sum of its proper divisors (1707854969).

28984366087 is a wasteful number, since it uses less digits than its factorization.

28984366087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160697.

The product of its (nonzero) digits is 27869184, while the sum is 61.

The spelling of 28984366087 in words is "twenty-eight billion, nine hundred eighty-four million, three hundred sixty-six thousand, eighty-seven".