27973539530 has 8 divisors (see below), whose sum is σ = 50352371172. Its totient is φ = 11189415808.

The previous prime is 27973539499. The next prime is 27973539547. The reversal of 27973539530 is 3593537972.

It can be written as a sum of positive squares in 2 ways, for example, as 27697946329 + 275593201 = 166427^2 + 16601^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1398676967 + ... + 1398676986.

Almost surely, 2^27973539530 is an apocalyptic number.

27973539530 is a deficient number, since it is larger than the sum of its proper divisors (22378831642).

27973539530 is a wasteful number, since it uses less digits than its factorization.

27973539530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797353960.

The product of its (nonzero) digits is 5358150, while the sum is 53.

The spelling of 27973539530 in words is "twenty-seven billion, nine hundred seventy-three million, five hundred thirty-nine thousand, five hundred thirty".