28572830243 has 2 divisors, whose sum is σ = 28572830244. Its totient is φ = 28572830242.

The previous prime is 28572830219. The next prime is 28572830263. The reversal of 28572830243 is 34203827582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28572830243 - 2²⁴ = 28556053027 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 28572830194 and 28572830203.

It is not a weakly prime, because it can be changed into another prime (28572830263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14286415121 + 14286415122.

It is an arithmetic number, because the mean of its divisors is an integer number (14286415122).

Almost surely, 2^28572830243 is an apocalyptic number.

28572830243 is a deficient number, since it is larger than the sum of its proper divisors (1).

28572830243 is an equidigital number, since it uses as much as digits as its factorization.

28572830243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 28572830243 in words is "twenty-eight billion, five hundred seventy-two million, eight hundred thirty thousand, two hundred forty-three".