28758056060291 has 2 divisors, whose sum is σ = 28758056060292. Its totient is φ = 28758056060290.

The previous prime is 28758056060257. The next prime is 28758056060359. The reversal of 28758056060291 is 19206065085782.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28758056060291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28758056060291.

It is not a weakly prime, because it can be changed into another prime (28758056060791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14379028030145 + 14379028030146.

It is an arithmetic number, because the mean of its divisors is an integer number (14379028030146).

Almost surely, 2^{28758056060291} is an apocalyptic number.

28758056060291 is a deficient number, since it is larger than the sum of its proper divisors (1).

28758056060291 is an equidigital number, since it uses as much as digits as its factorization.

28758056060291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14515200, while the sum is 59.

The spelling of 28758056060291 in words is "twenty-eight trillion, seven hundred fifty-eight billion, fifty-six million, sixty thousand, two hundred ninety-one".