28802280097 has 2 divisors, whose sum is σ = 28802280098. Its totient is φ = 28802280096.

The previous prime is 28802280071. The next prime is 28802280119. The reversal of 28802280097 is 79008220882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22516803136 + 6285476961 = 150056^2 + 79281^2 .

It is a cyclic number.

It is not a de Polignac number, because 28802280097 - 2²⁷ = 28668062369 is a prime.

It is not a weakly prime, because it can be changed into another prime (28802280047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14401140048 + 14401140049.

It is an arithmetic number, because the mean of its divisors is an integer number (14401140049).

Almost surely, 2^28802280097 is an apocalyptic number.

It is an amenable number.

28802280097 is a deficient number, since it is larger than the sum of its proper divisors (1).

28802280097 is an equidigital number, since it uses as much as digits as its factorization.

28802280097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 46.

The spelling of 28802280097 in words is "twenty-eight billion, eight hundred two million, two hundred eighty thousand, ninety-seven".