27721065414 has 16 divisors (see below), whose sum is σ = 63362435328. Its totient is φ = 7920304392.

The previous prime is 27721065413. The next prime is 27721065451. The reversal of 27721065414 is 41456012772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27721065413) 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 7 ways as a sum of consecutive naturals, for example, 330012642 + ... + 330012725.

It is an arithmetic number, because the mean of its divisors is an integer number (3960152208).

Almost surely, 2^27721065414 is an apocalyptic number.

27721065414 is an abundant number, since it is smaller than the sum of its proper divisors (35641369914).

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

27721065414 is a wasteful number, since it uses less digits than its factorization.

27721065414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660025379.

The product of its (nonzero) digits is 94080, while the sum is 39.

The spelling of 27721065414 in words is "twenty-seven billion, seven hundred twenty-one million, sixty-five thousand, four hundred fourteen".