28142467 has 2 divisors, whose sum is σ = 28142468. Its totient is φ = 28142466.

The previous prime is 28142447. The next prime is 28142503. The reversal of 28142467 is 76424182.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28142467 - 2¹¹ = 28140419 is a prime.

It is not a weakly prime, because it can be changed into another prime (28142437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14071233 + 14071234.

It is an arithmetic number, because the mean of its divisors is an integer number (14071234).

Almost surely, 2^28142467 is an apocalyptic number.

28142467 is a deficient number, since it is larger than the sum of its proper divisors (1).

28142467 is an equidigital number, since it uses as much as digits as its factorization.

28142467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21504, while the sum is 34.

The square root of 28142467 is about 5304.9474078449. The cubic root of 28142467 is about 304.1730424968.

The spelling of 28142467 in words is "twenty-eight million, one hundred forty-two thousand, four hundred sixty-seven".