27775500006 has 16 divisors (see below), whose sum is σ = 55841845248. Its totient is φ = 9210025800.

The previous prime is 27775499977. The next prime is 27775500007. The reversal of 27775500006 is 60000557772.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27775500007) 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, 12117310 + ... + 12119601.

It is an arithmetic number, because the mean of its divisors is an integer number (3490115328).

Almost surely, 2^27775500006 is an apocalyptic number.

27775500006 is an abundant number, since it is smaller than the sum of its proper divisors (28066345242).

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

27775500006 is a wasteful number, since it uses less digits than its factorization.

27775500006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24237107.

The product of its (nonzero) digits is 102900, while the sum is 39.

The spelling of 27775500006 in words is "twenty-seven billion, seven hundred seventy-five million, five hundred thousand, six".