28360381327 has 2 divisors, whose sum is σ = 28360381328. Its totient is φ = 28360381326.

The previous prime is 28360381289. The next prime is 28360381397. The reversal of 28360381327 is 72318306382.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28360381327 - 2²⁷ = 28226163599 is a prime.

It is a super-2 number, since 2×28360381327² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28360381397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14180190663 + 14180190664.

It is an arithmetic number, because the mean of its divisors is an integer number (14180190664).

Almost surely, 2^28360381327 is an apocalyptic number.

28360381327 is a deficient number, since it is larger than the sum of its proper divisors (1).

28360381327 is an equidigital number, since it uses as much as digits as its factorization.

28360381327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 28360381327 in words is "twenty-eight billion, three hundred sixty million, three hundred eighty-one thousand, three hundred twenty-seven".