28350544075 has 12 divisors (see below), whose sum is σ = 40176771280. Its totient is φ = 19440372960.

The previous prime is 28350544069. The next prime is 28350544091. The reversal of 28350544075 is 57044505382.

It is not a de Polignac number, because 28350544075 - 2¹¹ = 28350542027 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81001380 + ... + 81001729.

Almost surely, 2^28350544075 is an apocalyptic number.

28350544075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28350544075 is a deficient number, since it is larger than the sum of its proper divisors (11826227205).

28350544075 is a wasteful number, since it uses less digits than its factorization.

28350544075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162003126 (or 162003121 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 43.

The spelling of 28350544075 in words is "twenty-eight billion, three hundred fifty million, five hundred forty-four thousand, seventy-five".