28571742863 has 2 divisors, whose sum is σ = 28571742864. Its totient is φ = 28571742862.

The previous prime is 28571742839. The next prime is 28571742883. The reversal of 28571742863 is 36824717582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28571742863 - 2⁸ = 28571742607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28571742833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14285871431 + 14285871432.

It is an arithmetic number, because the mean of its divisors is an integer number (14285871432).

Almost surely, 2^28571742863 is an apocalyptic number.

28571742863 is a deficient number, since it is larger than the sum of its proper divisors (1).

28571742863 is an equidigital number, since it uses as much as digits as its factorization.

28571742863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4515840, while the sum is 53.

The spelling of 28571742863 in words is "twenty-eight billion, five hundred seventy-one million, seven hundred forty-two thousand, eight hundred sixty-three".