28748974395 has 16 divisors (see below), whose sum is σ = 46002097440. Its totient is φ = 15331540224.

The previous prime is 28748974393. The next prime is 28748974447. The reversal of 28748974395 is 59347984782.

It is not a de Polignac number, because 28748974395 - 2¹ = 28748974393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28748974393) by changing a digit.

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, 130887 + ... + 273183.

It is an arithmetic number, because the mean of its divisors is an integer number (2875131090).

Almost surely, 2^28748974395 is an apocalyptic number.

28748974395 is a deficient number, since it is larger than the sum of its proper divisors (17253123045).

28748974395 is a wasteful number, since it uses less digits than its factorization.

28748974395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155774.

The product of its digits is 121927680, while the sum is 66.

The spelling of 28748974395 in words is "twenty-eight billion, seven hundred forty-eight million, nine hundred seventy-four thousand, three hundred ninety-five".