27873827481 has 8 divisors (see below), whose sum is σ = 37291947840. Its totient is φ = 18519129392.

The previous prime is 27873827459. The next prime is 27873827483. The reversal of 27873827481 is 18472837872.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27873827481 - 2⁹ = 27873826969 is a prime.

It is a super-2 number, since 2×27873827481² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27873827483) 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, 15854541 + ... + 15856298.

It is an arithmetic number, because the mean of its divisors is an integer number (4661493480).

Almost surely, 2^27873827481 is an apocalyptic number.

It is an amenable number.

27873827481 is a deficient number, since it is larger than the sum of its proper divisors (9418120359).

27873827481 is a wasteful number, since it uses less digits than its factorization.

27873827481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31711135.

The product of its digits is 8429568, while the sum is 57.

The spelling of 27873827481 in words is "twenty-seven billion, eight hundred seventy-three million, eight hundred twenty-seven thousand, four hundred eighty-one".