28322724103 has 2 divisors, whose sum is σ = 28322724104. Its totient is φ = 28322724102.

The previous prime is 28322724071. The next prime is 28322724107. The reversal of 28322724103 is 30142722382.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28322724103 - 2⁵ = 28322724071 is a prime.

It is a super-2 number, since 2×28322724103² (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 (28322724107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14161362051 + 14161362052.

It is an arithmetic number, because the mean of its divisors is an integer number (14161362052).

Almost surely, 2^28322724103 is an apocalyptic number.

28322724103 is a deficient number, since it is larger than the sum of its proper divisors (1).

28322724103 is an equidigital number, since it uses as much as digits as its factorization.

28322724103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 28322724103 in words is "twenty-eight billion, three hundred twenty-two million, seven hundred twenty-four thousand, one hundred three".