28794151 has 2 divisors, whose sum is σ = 28794152. Its totient is φ = 28794150.

The previous prime is 28794149. The next prime is 28794163. The reversal of 28794151 is 15149782.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28794151 - 2¹ = 28794149 is a prime.

Together with 28794149, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28794151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28794131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14397075 + 14397076.

It is an arithmetic number, because the mean of its divisors is an integer number (14397076).

Almost surely, 2^28794151 is an apocalyptic number.

28794151 is a deficient number, since it is larger than the sum of its proper divisors (1).

28794151 is an equidigital number, since it uses as much as digits as its factorization.

28794151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 37.

The square root of 28794151 is about 5366.0181699282. The cubic root of 28794151 is about 306.5030208864.

The spelling of 28794151 in words is "twenty-eight million, seven hundred ninety-four thousand, one hundred fifty-one".