28601836247 has 2 divisors, whose sum is σ = 28601836248. Its totient is φ = 28601836246.

The previous prime is 28601836171. The next prime is 28601836253. The reversal of 28601836247 is 74263810682.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28601836247 - 2¹⁴ = 28601819863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28601836147) 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, 14300918123 + 14300918124.

It is an arithmetic number, because the mean of its divisors is an integer number (14300918124).

Almost surely, 2^28601836247 is an apocalyptic number.

28601836247 is a deficient number, since it is larger than the sum of its proper divisors (1).

28601836247 is an equidigital number, since it uses as much as digits as its factorization.

28601836247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 28601836247 in words is "twenty-eight billion, six hundred one million, eight hundred thirty-six thousand, two hundred forty-seven".