28610047 has 2 divisors, whose sum is σ = 28610048. Its totient is φ = 28610046.

The previous prime is 28610041. The next prime is 28610051. The reversal of 28610047 is 74001682.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28610047 - 2³ = 28610039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28609997 and 28610024.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28610041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14305023 + 14305024.

It is an arithmetic number, because the mean of its divisors is an integer number (14305024).

Almost surely, 2^28610047 is an apocalyptic number.

28610047 is a deficient number, since it is larger than the sum of its proper divisors (1).

28610047 is an equidigital number, since it uses as much as digits as its factorization.

28610047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 28610047 is about 5348.8360416076. The cubic root of 28610047 is about 305.8483841724.

The spelling of 28610047 in words is "twenty-eight million, six hundred ten thousand, forty-seven".