3907820825 has 12 divisors (see below), whose sum is σ = 4846536528. Its totient is φ = 3125715600.

The previous prime is 3907820737. The next prime is 3907820827. The reversal of 3907820825 is 5280287093.

It is not a de Polignac number, because 3907820825 - 2²⁴ = 3891043609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3907820827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199730 + ... + 218420.

It is an arithmetic number, because the mean of its divisors is an integer number (403878044).

Almost surely, 2^3907820825 is an apocalyptic number.

It is an amenable number.

3907820825 is a deficient number, since it is larger than the sum of its proper divisors (938715703).

3907820825 is a wasteful number, since it uses less digits than its factorization.

3907820825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27064 (or 27059 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 3907820825 is about 62512.5653368985. The cubic root of 3907820825 is about 1575.1123897291.

The spelling of 3907820825 in words is "three billion, nine hundred seven million, eight hundred twenty thousand, eight hundred twenty-five".