28885963 has 2 divisors, whose sum is σ = 28885964. Its totient is φ = 28885962.

The previous prime is 28885951. The next prime is 28885979. The reversal of 28885963 is 36958882.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28885963 is a prime.

It is not a weakly prime, because it can be changed into another prime (28885933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14442981 + 14442982.

It is an arithmetic number, because the mean of its divisors is an integer number (14442982).

Almost surely, 2^28885963 is an apocalyptic number.

28885963 is a deficient number, since it is larger than the sum of its proper divisors (1).

28885963 is an equidigital number, since it uses as much as digits as its factorization.

28885963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 49.

The square root of 28885963 is about 5374.5663080848. The cubic root of 28885963 is about 306.8284434441.

The spelling of 28885963 in words is "twenty-eight million, eight hundred eighty-five thousand, nine hundred sixty-three".