27733420506 has 16 divisors (see below), whose sum is σ = 60509281248. Its totient is φ = 8404066800.

The previous prime is 27733420501. The next prime is 27733420571. The reversal of 27733420506 is 60502433772.

It is a super-2 number, since 2×27733420506² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27733420501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210101605 + ... + 210101736.

It is an arithmetic number, because the mean of its divisors is an integer number (3781830078).

Almost surely, 2^27733420506 is an apocalyptic number.

27733420506 is an abundant number, since it is smaller than the sum of its proper divisors (32775860742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27733420506 is a wasteful number, since it uses less digits than its factorization.

27733420506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420203357.

The product of its (nonzero) digits is 211680, while the sum is 39.

The spelling of 27733420506 in words is "twenty-seven billion, seven hundred thirty-three million, four hundred twenty thousand, five hundred six".