3980930765 has 12 divisors (see below), whose sum is σ = 5557054716. Its totient is φ = 2729780928.

The previous prime is 3980930687. The next prime is 3980930861. The reversal of 3980930765 is 5670390893.

It can be written as a sum of positive squares in 2 ways, for example, as 1980784036 + 2000146729 = 44506^2 + 44723^2 .

It is not a de Polignac number, because 3980930765 - 2⁸ = 3980930509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 8124104 + ... + 8124593.

It is an arithmetic number, because the mean of its divisors is an integer number (463087893).

Almost surely, 2^3980930765 is an apocalyptic number.

3980930765 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3980930765 is a deficient number, since it is larger than the sum of its proper divisors (1576123951).

3980930765 is a wasteful number, since it uses less digits than its factorization.

3980930765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16248716 (or 16248709 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 50.

The square root of 3980930765 is about 63094.6175596619. The cubic root of 3980930765 is about 1584.8744890945.

The spelling of 3980930765 in words is "three billion, nine hundred eighty million, nine hundred thirty thousand, seven hundred sixty-five".