28352845001 has 16 divisors (see below), whose sum is σ = 31178175504. Its totient is φ = 25624802304.

The previous prime is 28352844991. The next prime is 28352845043. The reversal of 28352845001 is 10054825382.

It can be written as a sum of positive squares in 8 ways, for example, as 229219600 + 28123625401 = 15140^2 + 167701^2 .

It is a cyclic number.

It is not a de Polignac number, because 28352845001 - 2¹⁰ = 28352843977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28352845901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20975 + ... + 239051.

It is an arithmetic number, because the mean of its divisors is an integer number (1948635969).

Almost surely, 2^28352845001 is an apocalyptic number.

It is an amenable number.

28352845001 is a deficient number, since it is larger than the sum of its proper divisors (2825330503).

28352845001 is a wasteful number, since it uses less digits than its factorization.

28352845001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218300.

The product of its (nonzero) digits is 76800, while the sum is 38.

The spelling of 28352845001 in words is "twenty-eight billion, three hundred fifty-two million, eight hundred forty-five thousand, one".