28662240403 has 2 divisors, whose sum is σ = 28662240404. Its totient is φ = 28662240402.

The previous prime is 28662240401. The next prime is 28662240461. The reversal of 28662240403 is 30404226682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28662240403 - 2¹ = 28662240401 is a prime.

Together with 28662240401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (28662240401) 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, 14331120201 + 14331120202.

It is an arithmetic number, because the mean of its divisors is an integer number (14331120202).

Almost surely, 2^28662240403 is an apocalyptic number.

28662240403 is a deficient number, since it is larger than the sum of its proper divisors (1).

28662240403 is an equidigital number, since it uses as much as digits as its factorization.

28662240403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 37.

The spelling of 28662240403 in words is "twenty-eight billion, six hundred sixty-two million, two hundred forty thousand, four hundred three".