28153747 has 2 divisors, whose sum is σ = 28153748. Its totient is φ = 28153746.

The previous prime is 28153739. The next prime is 28153787. The reversal of 28153747 is 74735182.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28153747 - 2³ = 28153739 is a prime.

It is not a weakly prime, because it can be changed into another prime (28153787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14076873 + 14076874.

It is an arithmetic number, because the mean of its divisors is an integer number (14076874).

Almost surely, 2^28153747 is an apocalyptic number.

28153747 is a deficient number, since it is larger than the sum of its proper divisors (1).

28153747 is an equidigital number, since it uses as much as digits as its factorization.

28153747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 37.

The square root of 28153747 is about 5306.0104598465. The cubic root of 28153747 is about 304.2136763855.

It can be divided in two parts, 28153 and 747, that added together give a square (28900 = 170²).

The spelling of 28153747 in words is "twenty-eight million, one hundred fifty-three thousand, seven hundred forty-seven".