28563197043 has 8 divisors (see below), whose sum is σ = 39312787456. Its totient is φ = 18427869000.

The previous prime is 28563197027. The next prime is 28563197051. The reversal of 28563197043 is 34079136582.

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

It is not a de Polignac number, because 28563197043 - 2⁴ = 28563197027 is a prime.

It is the 169007-th Hogben number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28563196983 and 28563197001.

It is not an unprimeable number, because it can be changed into a prime (28563197023) by changing a digit.

It is a nontrivial repunit in base 169006.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153565483 + ... + 153565668.

It is an arithmetic number, because the mean of its divisors is an integer number (4914098432).

It is a 2-persistent number, because it is pandigital, and so is 2⋅28563197043 = 57126394086, but 3⋅28563197043 = 85689591129 is not.

Almost surely, 2^28563197043 is an apocalyptic number.

28563197043 is a deficient number, since it is larger than the sum of its proper divisors (10749590413).

28563197043 is a wasteful number, since it uses less digits than its factorization.

28563197043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307131185.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 28563197043 in words is "twenty-eight billion, five hundred sixty-three million, one hundred ninety-seven thousand, forty-three".