27771623133 has 32 divisors (see below), whose sum is σ = 39370565760. Its totient is φ = 17379774720.

The previous prime is 27771623093. The next prime is 27771623149. The reversal of 27771623133 is 33132617772.

It is not a de Polignac number, because 27771623133 - 2⁶ = 27771623069 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27771623833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6007563 + ... + 6012183.

It is an arithmetic number, because the mean of its divisors is an integer number (1230330180).

Almost surely, 2^27771623133 is an apocalyptic number.

It is an amenable number.

27771623133 is a deficient number, since it is larger than the sum of its proper divisors (11598942627).

27771623133 is a wasteful number, since it uses less digits than its factorization.

27771623133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6557.

The product of its digits is 222264, while the sum is 42.

The spelling of 27771623133 in words is "twenty-seven billion, seven hundred seventy-one million, six hundred twenty-three thousand, one hundred thirty-three".