28887446033 has 2 divisors, whose sum is σ = 28887446034. Its totient is φ = 28887446032.

The previous prime is 28887446009. The next prime is 28887446039. The reversal of 28887446033 is 33064478882.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27945140224 + 942305809 = 167168^2 + 30697^2 .

It is a cyclic number.

It is not a de Polignac number, because 28887446033 - 2²⁰ = 28886397457 is a prime.

It is not a weakly prime, because it can be changed into another prime (28887446039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14443723016 + 14443723017.

It is an arithmetic number, because the mean of its divisors is an integer number (14443723017).

Almost surely, 2^28887446033 is an apocalyptic number.

It is an amenable number.

28887446033 is a deficient number, since it is larger than the sum of its proper divisors (1).

28887446033 is an equidigital number, since it uses as much as digits as its factorization.

28887446033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6193152, while the sum is 53.

The spelling of 28887446033 in words is "twenty-eight billion, eight hundred eighty-seven million, four hundred forty-six thousand, thirty-three".