28114167225 has 12 divisors (see below), whose sum is σ = 46482089936. Its totient is φ = 14994222480.

The previous prime is 28114167217. The next prime is 28114167227. The reversal of 28114167225 is 52276141182.

It is not a de Polignac number, because 28114167225 - 2³ = 28114167217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28114167227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187427707 + ... + 187427856.

Almost surely, 2^28114167225 is an apocalyptic number.

28114167225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28114167225 is a deficient number, since it is larger than the sum of its proper divisors (18367922711).

28114167225 is a wasteful number, since it uses less digits than its factorization.

28114167225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374855576 (or 374855571 counting only the distinct ones).

The product of its digits is 53760, while the sum is 39.

The spelling of 28114167225 in words is "twenty-eight billion, one hundred fourteen million, one hundred sixty-seven thousand, two hundred twenty-five".