28604284263 has 12 divisors (see below), whose sum is σ = 41324914488. Its totient is φ = 19066008240.

The previous prime is 28604284249. The next prime is 28604284277. The reversal of 28604284263 is 36248240682.

It is an interprime number because it is at equal distance from previous prime (28604284249) and next prime (28604284277).

It is not a de Polignac number, because 28604284263 - 2¹⁷ = 28604153191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28604284463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 240853 + ... + 339438.

It is an arithmetic number, because the mean of its divisors is an integer number (3443742874).

Almost surely, 2^28604284263 is an apocalyptic number.

28604284263 is a deficient number, since it is larger than the sum of its proper divisors (12720630225).

28604284263 is a wasteful number, since it uses less digits than its factorization.

28604284263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585774 (or 585771 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 45.

The spelling of 28604284263 in words is "twenty-eight billion, six hundred four million, two hundred eighty-four thousand, two hundred sixty-three".