28704129095 has 16 divisors (see below), whose sum is σ = 35978679360. Its totient is φ = 21956196864.

The previous prime is 28704129067. The next prime is 28704129107. The reversal of 28704129095 is 59092140782.

It is a cyclic number.

It is not a de Polignac number, because 28704129095 - 2²⁸ = 28435693639 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 946034 + ... + 975903.

It is an arithmetic number, because the mean of its divisors is an integer number (2248667460).

Almost surely, 2^28704129095 is an apocalyptic number.

28704129095 is a deficient number, since it is larger than the sum of its proper divisors (7274550265).

28704129095 is a wasteful number, since it uses less digits than its factorization.

28704129095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922074.

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 28704129095 in words is "twenty-eight billion, seven hundred four million, one hundred twenty-nine thousand, ninety-five".