28884286901 has 2 divisors, whose sum is σ = 28884286902. Its totient is φ = 28884286900.

The previous prime is 28884286831. The next prime is 28884286943. The reversal of 28884286901 is 10968248882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24149470801 + 4734816100 = 155401^2 + 68810^2 .

It is a cyclic number.

It is not a de Polignac number, because 28884286901 - 2³⁴ = 11704417717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28884286801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14442143450 + 14442143451.

It is an arithmetic number, because the mean of its divisors is an integer number (14442143451).

Almost surely, 2^28884286901 is an apocalyptic number.

It is an amenable number.

28884286901 is a deficient number, since it is larger than the sum of its proper divisors (1).

28884286901 is an equidigital number, since it uses as much as digits as its factorization.

28884286901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3538944, while the sum is 56.

The spelling of 28884286901 in words is "twenty-eight billion, eight hundred eighty-four million, two hundred eighty-six thousand, nine hundred one".