27038869225 has 9 divisors (see below), whose sum is σ = 33529217367. Its totient is φ = 21630437640.

The previous prime is 27038869219. The next prime is 27038869243. The reversal of 27038869225 is 52296883072.

The square root of 27038869225 is 164435.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 9733992921 + 17304876304 = 98661^2 + 131548^2 .

It is not a de Polignac number, because 27038869225 - 2¹⁵ = 27038836457 is a prime.

It is a super-2 number, since 2×27038869225² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 805732 + ... + 838618.

Almost surely, 2^27038869225 is an apocalyptic number.

27038869225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27038869225 is the 164435-th square number.

27038869225 is the 82218-th centered octagonal number.

It is an amenable number.

27038869225 is a deficient number, since it is larger than the sum of its proper divisors (6490348142).

27038869225 is an frugal number, since it uses more digits than its factorization.

27038869225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65784 (or 32892 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 27038869225 in words is "twenty-seven billion, thirty-eight million, eight hundred sixty-nine thousand, two hundred twenty-five".