27130203172 has 6 divisors (see below), whose sum is σ = 47477855558. Its totient is φ = 13565101584.

The previous prime is 27130203161. The next prime is 27130203181.

It is a happy number.

27130203172 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 21215670336 + 5914532836 = 145656^2 + 76906^2 .

It is a super-3 number, since 3×27130203172³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27130203172.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3391275393 + ... + 3391275400.

Almost surely, 2^27130203172 is an apocalyptic number.

It is an amenable number.

27130203172 is a deficient number, since it is larger than the sum of its proper divisors (20347652386).

27130203172 is a wasteful number, since it uses less digits than its factorization.

27130203172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6782550797 (or 6782550795 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The spelling of 27130203172 in words is "twenty-seven billion, one hundred thirty million, two hundred three thousand, one hundred seventy-two".