28158083 has 2 divisors, whose sum is σ = 28158084. Its totient is φ = 28158082.

The previous prime is 28158061. The next prime is 28158173. The reversal of 28158083 is 38085182.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28158083 is a prime.

It is not a weakly prime, because it can be changed into another prime (28154083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14079041 + 14079042.

It is an arithmetic number, because the mean of its divisors is an integer number (14079042).

Almost surely, 2^28158083 is an apocalyptic number.

28158083 is a deficient number, since it is larger than the sum of its proper divisors (1).

28158083 is an equidigital number, since it uses as much as digits as its factorization.

28158083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 28158083 is about 5306.4190373547. The cubic root of 28158083 is about 304.2292930491.

The spelling of 28158083 in words is "twenty-eight million, one hundred fifty-eight thousand, eighty-three".