27877853993 has 8 divisors (see below), whose sum is σ = 30605914560. Its totient is φ = 25182078480.

The previous prime is 27877853929. The next prime is 27877854013. The reversal of 27877853993 is 39935877872.

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 27877853993 - 2⁶ = 27877853929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27877853893) 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, 8069453 + ... + 8072906.

It is an arithmetic number, because the mean of its divisors is an integer number (3825739320).

Almost surely, 2^27877853993 is an apocalyptic number.

It is an amenable number.

27877853993 is a deficient number, since it is larger than the sum of its proper divisors (2728060567).

27877853993 is a wasteful number, since it uses less digits than its factorization.

27877853993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16142527.

The product of its digits is 160030080, while the sum is 68.

The spelling of 27877853993 in words is "twenty-seven billion, eight hundred seventy-seven million, eight hundred fifty-three thousand, nine hundred ninety-three".