3865253307 has 8 divisors (see below), whose sum is σ = 5154573840. Its totient is φ = 2576384160.

The previous prime is 3865253299. The next prime is 3865253309. The reversal of 3865253307 is 7033525683.

It is a happy number.

3865253307 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3865253307 - 2³ = 3865253299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3865253309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92332 + ... + 127497.

It is an arithmetic number, because the mean of its divisors is an integer number (644321730).

Almost surely, 2^3865253307 is an apocalyptic number.

3865253307 is a deficient number, since it is larger than the sum of its proper divisors (1289320533).

3865253307 is a wasteful number, since it uses less digits than its factorization.

3865253307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225693.

The product of its (nonzero) digits is 453600, while the sum is 42.

The square root of 3865253307 is about 62171.1613772817. The cubic root of 3865253307 is about 1569.3723141651.

The spelling of 3865253307 in words is "three billion, eight hundred sixty-five million, two hundred fifty-three thousand, three hundred seven".