28082077783 has 2 divisors, whose sum is σ = 28082077784. Its totient is φ = 28082077782.

The previous prime is 28082077717. The next prime is 28082077789. The reversal of 28082077783 is 38777028082.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28082077783 - 2⁹ = 28082077271 is a prime.

It is a super-2 number, since 2×28082077783² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28082077783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28082077789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14041038891 + 14041038892.

It is an arithmetic number, because the mean of its divisors is an integer number (14041038892).

Almost surely, 2^28082077783 is an apocalyptic number.

28082077783 is a deficient number, since it is larger than the sum of its proper divisors (1).

28082077783 is an equidigital number, since it uses as much as digits as its factorization.

28082077783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2107392, while the sum is 52.

The spelling of 28082077783 in words is "twenty-eight billion, eighty-two million, seventy-seven thousand, seven hundred eighty-three".