28479167 has 2 divisors, whose sum is σ = 28479168. Its totient is φ = 28479166.

The previous prime is 28479163. The next prime is 28479181. The reversal of 28479167 is 76197482.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28479167 - 2² = 28479163 is a prime.

It is a super-2 number, since 2×28479167² = 1622125906027778, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28479161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14239583 + 14239584.

It is an arithmetic number, because the mean of its divisors is an integer number (14239584).

Almost surely, 2^28479167 is an apocalyptic number.

28479167 is a deficient number, since it is larger than the sum of its proper divisors (1).

28479167 is an equidigital number, since it uses as much as digits as its factorization.

28479167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 44.

The square root of 28479167 is about 5336.5875800927. The cubic root of 28479167 is about 305.3812914770.

The spelling of 28479167 in words is "twenty-eight million, four hundred seventy-nine thousand, one hundred sixty-seven".