27108427700 has 18 divisors (see below), whose sum is σ = 58825288326. Its totient is φ = 10843371040.

The previous prime is 27108427699. The next prime is 27108427721. The reversal of 27108427700 is 772480172.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 56731024 + 27051696676 = 7532^2 + 164474^2 .

It is a super-2 number, since 2×27108427700² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135542039 + ... + 135542238.

Almost surely, 2^27108427700 is an apocalyptic number.

27108427700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27108427700 is an abundant number, since it is smaller than the sum of its proper divisors (31716860626).

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

27108427700 is a wasteful number, since it uses less digits than its factorization.

27108427700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271084291 (or 271084284 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 38.

The spelling of 27108427700 in words is "twenty-seven billion, one hundred eight million, four hundred twenty-seven thousand, seven hundred".