3827278225 has 9 divisors (see below), whose sum is σ = 4746208593. Its totient is φ = 3061575120.

The previous prime is 3827278211. The next prime is 3827278267. The reversal of 3827278225 is 5228727283.

The square root of 3827278225 is 61865.

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

3827278225 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 65173329 + 3762104896 = 8073^2 + 61336^2 .

It is not a de Polignac number, because 3827278225 - 2⁵ = 3827278193 is a prime.

It is a super-2 number, since 2×3827278225² = 29296117223118301250, which 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, 303139 + ... + 315511.

Almost surely, 2^3827278225 is an apocalyptic number.

3827278225 is the 61865-th square number.

3827278225 is the 30933-rd centered octagonal number.

It is an amenable number.

3827278225 is a deficient number, since it is larger than the sum of its proper divisors (918930368).

3827278225 is an frugal number, since it uses more digits than its factorization.

3827278225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24756 (or 12378 counting only the distinct ones).

The product of its digits is 752640, while the sum is 46.

The cubic root of 3827278225 is about 1564.2158354119.

The spelling of 3827278225 in words is "three billion, eight hundred twenty-seven million, two hundred seventy-eight thousand, two hundred twenty-five".