28382793697 has 2 divisors, whose sum is σ = 28382793698. Its totient is φ = 28382793696.

The previous prime is 28382793653. The next prime is 28382793773. The reversal of 28382793697 is 79639728382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25110839296 + 3271954401 = 158464^2 + 57201^2 .

It is a cyclic number.

It is not a de Polignac number, because 28382793697 - 2¹⁵ = 28382760929 is a prime.

It is not a weakly prime, because it can be changed into another prime (28382793797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14191396848 + 14191396849.

It is an arithmetic number, because the mean of its divisors is an integer number (14191396849).

Almost surely, 2^28382793697 is an apocalyptic number.

It is an amenable number.

28382793697 is a deficient number, since it is larger than the sum of its proper divisors (1).

28382793697 is an equidigital number, since it uses as much as digits as its factorization.

28382793697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54867456, while the sum is 64.

The spelling of 28382793697 in words is "twenty-eight billion, three hundred eighty-two million, seven hundred ninety-three thousand, six hundred ninety-seven".