28647462863 has 8 divisors (see below), whose sum is σ = 29640384000. Its totient is φ = 27654880288.

The previous prime is 28647462817. The next prime is 28647462901. The reversal of 28647462863 is 36826474682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28647462863 - 2¹⁰ = 28647461839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28647462799 and 28647462808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28647462463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93938 + ... + 257136.

It is an arithmetic number, because the mean of its divisors is an integer number (3705048000).

Almost surely, 2^28647462863 is an apocalyptic number.

28647462863 is a deficient number, since it is larger than the sum of its proper divisors (992921137).

28647462863 is a wasteful number, since it uses less digits than its factorization.

28647462863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169281.

The product of its digits is 18579456, while the sum is 56.

The spelling of 28647462863 in words is "twenty-eight billion, six hundred forty-seven million, four hundred sixty-two thousand, eight hundred sixty-three".