28076463 has 24 divisors (see below), whose sum is σ = 43051008. Its totient is φ = 18275544.

The previous prime is 28076459. The next prime is 28076473. The reversal of 28076463 is 36467082.

28076463 is a `hidden beast` number, since 2 + 8 + 0 + 7 + 646 + 3 = 666.

It is not a de Polignac number, because 28076463 - 2² = 28076459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28076423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9106 + ... + 11792.

It is an arithmetic number, because the mean of its divisors is an integer number (1793792).

Almost surely, 2^28076463 is an apocalyptic number.

28076463 is a deficient number, since it is larger than the sum of its proper divisors (14974545).

28076463 is an equidigital number, since it uses as much as digits as its factorization.

28076463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745 (or 2733 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 28076463 is about 5298.7227706307. The cubic root of 28076463 is about 303.9350586985.

The spelling of 28076463 in words is "twenty-eight million, seventy-six thousand, four hundred sixty-three".