28845197855 has 16 divisors (see below), whose sum is σ = 35920847520. Its totient is φ = 22210108032.

The previous prime is 28845197827. The next prime is 28845197861. The reversal of 28845197855 is 55879154882.

It is a cyclic number.

It is not a de Polignac number, because 28845197855 - 2³⁴ = 11665328671 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267809 + ... + 359738.

It is an arithmetic number, because the mean of its divisors is an integer number (2245052970).

Almost surely, 2^28845197855 is an apocalyptic number.

28845197855 is a deficient number, since it is larger than the sum of its proper divisors (7075649665).

28845197855 is a wasteful number, since it uses less digits than its factorization.

28845197855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627898.

The product of its digits is 32256000, while the sum is 62.

The spelling of 28845197855 in words is "twenty-eight billion, eight hundred forty-five million, one hundred ninety-seven thousand, eight hundred fifty-five".