28058001225 has 12 divisors (see below), whose sum is σ = 46389228816. Its totient is φ = 14964267280.

The previous prime is 28058001187. The next prime is 28058001227. The reversal of 28058001225 is 52210085082.

It is not a de Polignac number, because 28058001225 - 2¹⁵ = 28057968457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28058001227) 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, 187053267 + ... + 187053416.

It is an arithmetic number, because the mean of its divisors is an integer number (3865769068).

Almost surely, 2^28058001225 is an apocalyptic number.

28058001225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28058001225 is a deficient number, since it is larger than the sum of its proper divisors (18331227591).

28058001225 is a wasteful number, since it uses less digits than its factorization.

28058001225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374106696 (or 374106691 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The spelling of 28058001225 in words is "twenty-eight billion, fifty-eight million, one thousand, two hundred twenty-five".