108072028657 has 2 divisors, whose sum is σ = 108072028658. Its totient is φ = 108072028656.

The previous prime is 108072028637. The next prime is 108072028667. The reversal of 108072028657 is 756820270801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67953541041 + 40118487616 = 260679^2 + 200296^2 .

It is a cyclic number.

It is not a de Polignac number, because 108072028657 - 2³¹ = 105924545009 is a prime.

It is not a weakly prime, because it can be changed into another prime (108072028637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54036014328 + 54036014329.

It is an arithmetic number, because the mean of its divisors is an integer number (54036014329).

Almost surely, 2^108072028657 is an apocalyptic number.

It is an amenable number.

108072028657 is a deficient number, since it is larger than the sum of its proper divisors (1).

108072028657 is an equidigital number, since it uses as much as digits as its factorization.

108072028657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 376320, while the sum is 46.

The spelling of 108072028657 in words is "one hundred eight billion, seventy-two million, twenty-eight thousand, six hundred fifty-seven".