28480927 has 2 divisors, whose sum is σ = 28480928. Its totient is φ = 28480926.

The previous prime is 28480901. The next prime is 28480951. The reversal of 28480927 is 72908482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28480927 - 2⁷ = 28480799 is a prime.

It is a super-2 number, since 2×28480927² = 1622326405558658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28480927.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28480957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14240463 + 14240464.

It is an arithmetic number, because the mean of its divisors is an integer number (14240464).

Almost surely, 2^28480927 is an apocalyptic number.

28480927 is a deficient number, since it is larger than the sum of its proper divisors (1).

28480927 is an equidigital number, since it uses as much as digits as its factorization.

28480927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 28480927 is about 5336.7524769283. The cubic root of 28480927 is about 305.3875821573.

The spelling of 28480927 in words is "twenty-eight million, four hundred eighty thousand, nine hundred twenty-seven".