3827765625 has 56 divisors (see below), whose sum is σ = 6554916096. Its totient is φ = 1985400000.

The previous prime is 3827765621. The next prime is 3827765633. The reversal of 3827765625 is 5265677283.

It is a happy number.

It is not a de Polignac number, because 3827765625 - 2² = 3827765621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3827765621) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1733272 + ... + 1735478.

Almost surely, 2^3827765625 is an apocalyptic number.

It is an amenable number.

3827765625 is a deficient number, since it is larger than the sum of its proper divisors (2727150471).

3827765625 is an frugal number, since it uses more digits than its factorization.

3827765625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277 (or 2252 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 51.

The square root of 3827765625 is about 61868.9390970946. The cubic root of 3827765625 is about 1564.2822330268.

The spelling of 3827765625 in words is "three billion, eight hundred twenty-seven million, seven hundred sixty-five thousand, six hundred twenty-five".