28328252783 has 2 divisors, whose sum is σ = 28328252784. Its totient is φ = 28328252782.

The previous prime is 28328252779. The next prime is 28328252789. The reversal of 28328252783 is 38725282382.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28328252783 - 2² = 28328252779 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28328252789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14164126391 + 14164126392.

It is an arithmetic number, because the mean of its divisors is an integer number (14164126392).

Almost surely, 2^28328252783 is an apocalyptic number.

28328252783 is a deficient number, since it is larger than the sum of its proper divisors (1).

28328252783 is an equidigital number, since it uses as much as digits as its factorization.

28328252783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2580480, while the sum is 50.

The spelling of 28328252783 in words is "twenty-eight billion, three hundred twenty-eight million, two hundred fifty-two thousand, seven hundred eighty-three".