3979007065 has 16 divisors (see below), whose sum is σ = 5307166656. Its totient is φ = 2839220800.

The previous prime is 3979007033. The next prime is 3979007069. The reversal of 3979007065 is 5607009793.

It is not a de Polignac number, because 3979007065 - 2⁵ = 3979007033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3979007069) 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 15 ways as a sum of consecutive naturals, for example, 679591 + ... + 685420.

It is an arithmetic number, because the mean of its divisors is an integer number (331697916).

Almost surely, 2^3979007065 is an apocalyptic number.

It is an amenable number.

3979007065 is a deficient number, since it is larger than the sum of its proper divisors (1328159591).

3979007065 is a wasteful number, since it uses less digits than its factorization.

3979007065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365080.

The product of its (nonzero) digits is 357210, while the sum is 46.

The square root of 3979007065 is about 63079.3711525408. The cubic root of 3979007065 is about 1584.6191623498.

The spelling of 3979007065 in words is "three billion, nine hundred seventy-nine million, seven thousand, sixty-five".