28572848237 has 2 divisors, whose sum is σ = 28572848238. Its totient is φ = 28572848236.

The previous prime is 28572848203. The next prime is 28572848257. The reversal of 28572848237 is 73284827582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27652696681 + 920151556 = 166291^2 + 30334^2 .

It is a cyclic number.

It is not a de Polignac number, because 28572848237 - 2¹⁰ = 28572847213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28572848257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14286424118 + 14286424119.

It is an arithmetic number, because the mean of its divisors is an integer number (14286424119).

Almost surely, 2^28572848237 is an apocalyptic number.

It is an amenable number.

28572848237 is a deficient number, since it is larger than the sum of its proper divisors (1).

28572848237 is an equidigital number, since it uses as much as digits as its factorization.

28572848237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12042240, while the sum is 56.

The spelling of 28572848237 in words is "twenty-eight billion, five hundred seventy-two million, eight hundred forty-eight thousand, two hundred thirty-seven".