27421027776 has 84 divisors (see below), whose sum is σ = 79407869632. Its totient is φ = 9046093824.

The previous prime is 27421027747. The next prime is 27421027811. The reversal of 27421027776 is 67772012472.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189520 + ... + 301263.

Almost surely, 2^27421027776 is an apocalyptic number.

It is an amenable number.

27421027776 is an abundant number, since it is smaller than the sum of its proper divisors (51986841856).

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

27421027776 is a wasteful number, since it uses less digits than its factorization.

27421027776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490898 (or 490885 counting only the distinct ones).

The product of its (nonzero) digits is 460992, while the sum is 45.

The spelling of 27421027776 in words is "twenty-seven billion, four hundred twenty-one million, twenty-seven thousand, seven hundred seventy-six".