28956827 has 2 divisors, whose sum is σ = 28956828. Its totient is φ = 28956826.

The previous prime is 28956757. The next prime is 28956847. The reversal of 28956827 is 72865982.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28956827 - 2¹² = 28952731 is a prime.

It is not a weakly prime, because it can be changed into another prime (28956847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14478413 + 14478414.

It is an arithmetic number, because the mean of its divisors is an integer number (14478414).

Almost surely, 2^28956827 is an apocalyptic number.

28956827 is a deficient number, since it is larger than the sum of its proper divisors (1).

28956827 is an equidigital number, since it uses as much as digits as its factorization.

28956827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 47.

The square root of 28956827 is about 5381.1548017131. The cubic root of 28956827 is about 307.0791457745.

The spelling of 28956827 in words is "twenty-eight million, nine hundred fifty-six thousand, eight hundred twenty-seven".