27702093172 has 18 divisors (see below), whose sum is σ = 52210053014. Its totient is φ = 12785027520.

The previous prime is 27702093161. The next prime is 27702093193. The reversal of 27702093172 is 27139020772.

It can be written as a sum of positive squares in 3 ways, for example, as 938441956 + 26763651216 = 30634^2 + 163596^2 .

It is a super-2 number, since 2×27702093172² (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, 1188672 + ... + 1211752.

Almost surely, 2^27702093172 is an apocalyptic number.

It is an amenable number.

27702093172 is a deficient number, since it is larger than the sum of its proper divisors (24507959842).

27702093172 is an frugal number, since it uses more digits than its factorization.

27702093172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46179 (or 23096 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 40.

The spelling of 27702093172 in words is "twenty-seven billion, seven hundred two million, ninety-three thousand, one hundred seventy-two".