28759168723 has 2 divisors, whose sum is σ = 28759168724. Its totient is φ = 28759168722.

The previous prime is 28759168693. The next prime is 28759168771. The reversal of 28759168723 is 32786195782.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28759168723 - 2³³ = 20169234131 is a prime.

It is not a weakly prime, because it can be changed into another prime (28759162723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14379584361 + 14379584362.

It is an arithmetic number, because the mean of its divisors is an integer number (14379584362).

Almost surely, 2^28759168723 is an apocalyptic number.

28759168723 is a deficient number, since it is larger than the sum of its proper divisors (1).

28759168723 is an equidigital number, since it uses as much as digits as its factorization.

28759168723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10160640, while the sum is 58.

The spelling of 28759168723 in words is "twenty-eight billion, seven hundred fifty-nine million, one hundred sixty-eight thousand, seven hundred twenty-three".