27828224925 has 48 divisors (see below), whose sum is σ = 47735373312. Its totient is φ = 14289811200.

The previous prime is 27828224909. The next prime is 27828224939. The reversal of 27828224925 is 52942282872.

It is a happy number.

It is not a de Polignac number, because 27828224925 - 2⁴ = 27828224909 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 427647 + ... + 488403.

It is an arithmetic number, because the mean of its divisors is an integer number (994486944).

Almost surely, 2^27828224925 is an apocalyptic number.

27828224925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27828224925 is a deficient number, since it is larger than the sum of its proper divisors (19907148387).

27828224925 is a wasteful number, since it uses less digits than its factorization.

27828224925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60998 (or 60993 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 51.

The spelling of 27828224925 in words is "twenty-seven billion, eight hundred twenty-eight million, two hundred twenty-four thousand, nine hundred twenty-five".