28977160453 has 2 divisors, whose sum is σ = 28977160454. Its totient is φ = 28977160452.

The previous prime is 28977160447. The next prime is 28977160523. The reversal of 28977160453 is 35406177982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22798886049 + 6178274404 = 150993^2 + 78602^2 .

It is a cyclic number.

It is not a de Polignac number, because 28977160453 - 2²⁹ = 28440289541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28977160453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28977160423) 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, 14488580226 + 14488580227.

It is an arithmetic number, because the mean of its divisors is an integer number (14488580227).

It is a 1-persistent number, because it is pandigital, but 2⋅28977160453 = 57954320906 is not.

Almost surely, 2^28977160453 is an apocalyptic number.

It is an amenable number.

28977160453 is a deficient number, since it is larger than the sum of its proper divisors (1).

28977160453 is an equidigital number, since it uses as much as digits as its factorization.

28977160453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 28977160453 in words is "twenty-eight billion, nine hundred seventy-seven million, one hundred sixty thousand, four hundred fifty-three".