27123109704 has 48 divisors (see below), whose sum is σ = 74464716300. Its totient is φ = 8917185024.

The previous prime is 27123109687. The next prime is 27123109733. The reversal of 27123109704 is 40790132172.

27123109704 is a `hidden beast` number, since 271 + 2 + 310 + 9 + 70 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 26993832804 + 129276900 = 164298^2 + 11370^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2574949 + ... + 2585460.

Almost surely, 2^27123109704 is an apocalyptic number.

27123109704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

27123109704 is an abundant number, since it is smaller than the sum of its proper divisors (47341606596).

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

27123109704 is a wasteful number, since it uses less digits than its factorization.

27123109704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5160494 (or 5160487 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The spelling of 27123109704 in words is "twenty-seven billion, one hundred twenty-three million, one hundred nine thousand, seven hundred four".