28846445745 has 16 divisors (see below), whose sum is σ = 49704645312. Its totient is φ = 14201327040.

The previous prime is 28846445729. The next prime is 28846445879. The reversal of 28846445745 is 54754464882.

It is a happy number.

It is not a de Polignac number, because 28846445745 - 2⁴ = 28846445729 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 73965051 + ... + 73965440.

It is an arithmetic number, because the mean of its divisors is an integer number (3106540332).

Almost surely, 2^28846445745 is an apocalyptic number.

It is an amenable number.

28846445745 is a deficient number, since it is larger than the sum of its proper divisors (20858199567).

28846445745 is a wasteful number, since it uses less digits than its factorization.

28846445745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147930512.

The product of its digits is 34406400, while the sum is 57.

The spelling of 28846445745 in words is "twenty-eight billion, eight hundred forty-six million, four hundred forty-five thousand, seven hundred forty-five".