27100414947781 has 8 divisors (see below), whose sum is σ = 30975500485440. Its totient is φ = 23226228832128.

The previous prime is 27100414947757. The next prime is 27100414947799. The reversal of 27100414947781 is 18774941400172.

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

It is not a de Polignac number, because 27100414947781 - 2⁷ = 27100414947653 is a prime.

It is a super-2 number, since 2×27100414947781² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27100414947721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224790931 + ... + 224911456.

It is an arithmetic number, because the mean of its divisors is an integer number (3871937560680).

Almost surely, 2^{27100414947781} is an apocalyptic number.

It is an amenable number.

27100414947781 is a deficient number, since it is larger than the sum of its proper divisors (3875085537659).

27100414947781 is an equidigital number, since it uses as much as digits as its factorization.

27100414947781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449711003.

The product of its (nonzero) digits is 3161088, while the sum is 55.

The spelling of 27100414947781 in words is "twenty-seven trillion, one hundred billion, four hundred fourteen million, nine hundred forty-seven thousand, seven hundred eighty-one".