28463186225 has 24 divisors (see below), whose sum is σ = 36176011968. Its totient is φ = 22208472000.

The previous prime is 28463186201. The next prime is 28463186233. The reversal of 28463186225 is 52268136482.

It is a happy number.

It is not a de Polignac number, because 28463186225 - 2¹² = 28463182129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28463186225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85052 + ... + 253298.

It is an arithmetic number, because the mean of its divisors is an integer number (1507333832).

Almost surely, 2^28463186225 is an apocalyptic number.

28463186225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28463186225 is a deficient number, since it is larger than the sum of its proper divisors (7712825743).

28463186225 is a wasteful number, since it uses less digits than its factorization.

28463186225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168425 (or 168420 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 47.

The spelling of 28463186225 in words is "twenty-eight billion, four hundred sixty-three million, one hundred eighty-six thousand, two hundred twenty-five".