28231907027 has 2 divisors, whose sum is σ = 28231907028. Its totient is φ = 28231907026.

The previous prime is 28231906999. The next prime is 28231907051. The reversal of 28231907027 is 72070913282.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28231907027 - 2¹² = 28231902931 is a prime.

It is not a weakly prime, because it can be changed into another prime (28231907057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14115953513 + 14115953514.

It is an arithmetic number, because the mean of its divisors is an integer number (14115953514).

Almost surely, 2^28231907027 is an apocalyptic number.

28231907027 is a deficient number, since it is larger than the sum of its proper divisors (1).

28231907027 is an equidigital number, since it uses as much as digits as its factorization.

28231907027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 41.

The spelling of 28231907027 in words is "twenty-eight billion, two hundred thirty-one million, nine hundred seven thousand, twenty-seven".