27420276506 has 8 divisors (see below), whose sum is σ = 47006188320. Its totient is φ = 11751547068.

The previous prime is 27420276451. The next prime is 27420276529. The reversal of 27420276506 is 60567202472.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 979295576 + ... + 979295603.

It is an arithmetic number, because the mean of its divisors is an integer number (5875773540).

Almost surely, 2^27420276506 is an apocalyptic number.

27420276506 is a deficient number, since it is larger than the sum of its proper divisors (19585911814).

27420276506 is a wasteful number, since it uses less digits than its factorization.

27420276506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958591188.

The product of its (nonzero) digits is 282240, while the sum is 41.

Adding to 27420276506 its reverse (60567202472), we get a palindrome (87987478978).

The spelling of 27420276506 in words is "twenty-seven billion, four hundred twenty million, two hundred seventy-six thousand, five hundred six".