28466380801 has 2 divisors, whose sum is σ = 28466380802. Its totient is φ = 28466380800.

The previous prime is 28466380783. The next prime is 28466380823. The reversal of 28466380801 is 10808366482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27357490801 + 1108890000 = 165401^2 + 33300^2 .

It is a cyclic number.

It is not a de Polignac number, because 28466380801 - 2¹⁷ = 28466249729 is a prime.

It is not a weakly prime, because it can be changed into another prime (28466380301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14233190400 + 14233190401.

It is an arithmetic number, because the mean of its divisors is an integer number (14233190401).

Almost surely, 2^28466380801 is an apocalyptic number.

It is an amenable number.

28466380801 is a deficient number, since it is larger than the sum of its proper divisors (1).

28466380801 is an equidigital number, since it uses as much as digits as its factorization.

28466380801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 442368, while the sum is 46.

The spelling of 28466380801 in words is "twenty-eight billion, four hundred sixty-six million, three hundred eighty thousand, eight hundred one".