28880051 has 2 divisors, whose sum is σ = 28880052. Its totient is φ = 28880050.

The previous prime is 28880029. The next prime is 28880063. The reversal of 28880051 is 15008882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28880051 - 2⁶ = 28879987 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28880651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14440025 + 14440026.

It is an arithmetic number, because the mean of its divisors is an integer number (14440026).

Almost surely, 2^28880051 is an apocalyptic number.

28880051 is a deficient number, since it is larger than the sum of its proper divisors (1).

28880051 is an equidigital number, since it uses as much as digits as its factorization.

28880051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5120, while the sum is 32.

The square root of 28880051 is about 5374.0162820743. The cubic root of 28880051 is about 306.8075094756.

The spelling of 28880051 in words is "twenty-eight million, eight hundred eighty thousand, fifty-one".