27752775250 has 64 divisors (see below), whose sum is σ = 54044172000. Its totient is φ = 10658592000.

The previous prime is 27752775241. The next prime is 27752775251. The reversal of 27752775250 is 5257725772.

It can be written as a sum of positive squares in 16 ways, for example, as 13513365009 + 14239410241 = 116247^2 + 119329^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27752775194 and 27752775203.

It is not an unprimeable number, because it can be changed into a prime (27752775251) 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 31 ways as a sum of consecutive naturals, for example, 1301676 + ... + 1322824.

Almost surely, 2^27752775250 is an apocalyptic number.

27752775250 is a deficient number, since it is larger than the sum of its proper divisors (26291396750).

27752775250 is a wasteful number, since it uses less digits than its factorization.

27752775250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21376 (or 21366 counting only the distinct ones).

The product of its (nonzero) digits is 2401000, while the sum is 49.

The spelling of 27752775250 in words is "twenty-seven billion, seven hundred fifty-two million, seven hundred seventy-five thousand, two hundred fifty".