27752525245 has 32 divisors (see below), whose sum is σ = 35564780160. Its totient is φ = 20717045760.

The previous prime is 27752525239. The next prime is 27752525321. The reversal of 27752525245 is 54252525772.

It is a happy number.

It is not a de Polignac number, because 27752525245 - 2⁹ = 27752524733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27752525195 and 27752525204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12889089 + ... + 12891241.

It is an arithmetic number, because the mean of its divisors is an integer number (1111399380).

Almost surely, 2^27752525245 is an apocalyptic number.

It is an amenable number.

27752525245 is a deficient number, since it is larger than the sum of its proper divisors (7812254915).

27752525245 is a wasteful number, since it uses less digits than its factorization.

27752525245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3405.

The product of its digits is 1960000, while the sum is 46.

The spelling of 27752525245 in words is "twenty-seven billion, seven hundred fifty-two million, five hundred twenty-five thousand, two hundred forty-five".