28563197001 has 8 divisors (see below), whose sum is σ = 38384139264. Its totient is φ = 18892193040.

The previous prime is 28563196951. The next prime is 28563197009. The reversal of 28563197001 is 10079136582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28563197001 - 2¹⁰ = 28563195977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28563197009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37484130 + ... + 37484891.

It is an arithmetic number, because the mean of its divisors is an integer number (4798017408).

Almost surely, 2^28563197001 is an apocalyptic number.

It is an amenable number.

28563197001 is a deficient number, since it is larger than the sum of its proper divisors (9820942263).

28563197001 is a wasteful number, since it uses less digits than its factorization.

28563197001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74969151.

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 28563197001 in words is "twenty-eight billion, five hundred sixty-three million, one hundred ninety-seven thousand, one".