28807362187 has 2 divisors, whose sum is σ = 28807362188. Its totient is φ = 28807362186.

The previous prime is 28807362173. The next prime is 28807362191. The reversal of 28807362187 is 78126370882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28807362187 - 2¹¹ = 28807360139 is a prime.

It is a super-3 number, since 3×28807362187³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (28807362197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14403681093 + 14403681094.

It is an arithmetic number, because the mean of its divisors is an integer number (14403681094).

Almost surely, 2^28807362187 is an apocalyptic number.

28807362187 is a deficient number, since it is larger than the sum of its proper divisors (1).

28807362187 is an equidigital number, since it uses as much as digits as its factorization.

28807362187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1806336, while the sum is 52.

The spelling of 28807362187 in words is "twenty-eight billion, eight hundred seven million, three hundred sixty-two thousand, one hundred eighty-seven".