28875659 has 2 divisors, whose sum is σ = 28875660. Its totient is φ = 28875658.

The previous prime is 28875653. The next prime is 28875683. The reversal of 28875659 is 95657882.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28875659 - 2¹⁶ = 28810123 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (28875653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14437829 + 14437830.

It is an arithmetic number, because the mean of its divisors is an integer number (14437830).

Almost surely, 2^28875659 is an apocalyptic number.

28875659 is a deficient number, since it is larger than the sum of its proper divisors (1).

28875659 is an equidigital number, since it uses as much as digits as its factorization.

28875659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 50.

The square root of 28875659 is about 5373.6076336108. The cubic root of 28875659 is about 306.7919558685.

The spelling of 28875659 in words is "twenty-eight million, eight hundred seventy-five thousand, six hundred fifty-nine".