27771434022 has 32 divisors (see below), whose sum is σ = 58817232000. Its totient is φ = 8711549568.

The previous prime is 27771434021. The next prime is 27771434069. The reversal of 27771434022 is 22043417772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27771434021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1596729 + ... + 1614027.

It is an arithmetic number, because the mean of its divisors is an integer number (1838038500).

Almost surely, 2^27771434022 is an apocalyptic number.

27771434022 is an abundant number, since it is smaller than the sum of its proper divisors (31045797978).

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

27771434022 is a wasteful number, since it uses less digits than its factorization.

27771434022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33060.

The product of its (nonzero) digits is 131712, while the sum is 39.

The spelling of 27771434022 in words is "twenty-seven billion, seven hundred seventy-one million, four hundred thirty-four thousand, twenty-two".