27752516625 has 16 divisors (see below), whose sum is σ = 46180188288. Its totient is φ = 14801342000.

The previous prime is 27752516621. The next prime is 27752516669. The reversal of 27752516625 is 52661525772.

It is not a de Polignac number, because 27752516625 - 2² = 27752516621 is a prime.

It is a super-3 number, since 3×27752516625³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (27752516621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37002981 + ... + 37003730.

It is an arithmetic number, because the mean of its divisors is an integer number (2886261768).

Almost surely, 2^27752516625 is an apocalyptic number.

27752516625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27752516625 is a deficient number, since it is larger than the sum of its proper divisors (18427671663).

27752516625 is an equidigital number, since it uses as much as digits as its factorization.

27752516625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74006729 (or 74006719 counting only the distinct ones).

The product of its digits is 1764000, while the sum is 48.

The spelling of 27752516625 in words is "twenty-seven billion, seven hundred fifty-two million, five hundred sixteen thousand, six hundred twenty-five".