3787787025 has 81 divisors (see below), whose sum is σ = 7477221297. Its totient is φ = 1831579200.

The previous prime is 3787786999. The next prime is 3787787041. The reversal of 3787787025 is 5207877873.

It is a happy number.

The square root of 3787787025 is 61545.

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

It can be written as a sum of positive squares in 4 ways, for example, as 36469521 + 3751317504 = 6039^2 + 61248^2 .

It is not a de Polignac number, because 3787787025 - 2⁷ = 3787786897 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 10154739 + ... + 10155111.

Almost surely, 2^3787787025 is an apocalyptic number.

3787787025 is the 61545-th square number.

3787787025 is the 30773-rd centered octagonal number.

It is an amenable number.

3787787025 is a deficient number, since it is larger than the sum of its proper divisors (3689434272).

3787787025 is a wasteful number, since it uses less digits than its factorization.

3787787025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 4609920, while the sum is 54.

The cubic root of 3787787025 is about 1558.8171815495.

The spelling of 3787787025 in words is "three billion, seven hundred eighty-seven million, seven hundred eighty-seven thousand, twenty-five".