28863463 has 2 divisors, whose sum is σ = 28863464. Its totient is φ = 28863462.

The previous prime is 28863437. The next prime is 28863469. The reversal of 28863463 is 36436882.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28863463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28863469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14431731 + 14431732.

It is an arithmetic number, because the mean of its divisors is an integer number (14431732).

Almost surely, 2^28863463 is an apocalyptic number.

28863463 is a deficient number, since it is larger than the sum of its proper divisors (1).

28863463 is an equidigital number, since it uses as much as digits as its factorization.

28863463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 40.

The square root of 28863463 is about 5372.4727081671. The cubic root of 28863463 is about 306.7487572978.

The spelling of 28863463 in words is "twenty-eight million, eight hundred sixty-three thousand, four hundred sixty-three".