3958786065 has 32 divisors (see below), whose sum is σ = 6881696640. Its totient is φ = 1931682816.

The previous prime is 3958786063. The next prime is 3958786067. The reversal of 3958786065 is 5606878593.

3958786065 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3958786063) and next prime (3958786067).

It is not a de Polignac number, because 3958786065 - 2¹ = 3958786063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3958785996 and 3958786014.

It is not an unprimeable number, because it can be changed into a prime (3958786063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67795 + ... + 111864.

It is an arithmetic number, because the mean of its divisors is an integer number (215053020).

Almost surely, 2^3958786065 is an apocalyptic number.

It is an amenable number.

3958786065 is a deficient number, since it is larger than the sum of its proper divisors (2922910575).

3958786065 is a wasteful number, since it uses less digits than its factorization.

3958786065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179793.

The product of its (nonzero) digits is 10886400, while the sum is 57.

The square root of 3958786065 is about 62918.8848041667. The cubic root of 3958786065 is about 1581.9302991385.

The spelling of 3958786065 in words is "three billion, nine hundred fifty-eight million, seven hundred eighty-six thousand, sixty-five".