3977394289 has 16 divisors (see below), whose sum is σ = 4359738240. Its totient is φ = 3598560000.

The previous prime is 3977394259. The next prime is 3977394293. The reversal of 3977394289 is 9824937793.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3977394289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3977394259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2782627 + ... + 2784055.

It is an arithmetic number, because the mean of its divisors is an integer number (272483640).

Almost surely, 2^3977394289 is an apocalyptic number.

It is an amenable number.

3977394289 is a deficient number, since it is larger than the sum of its proper divisors (382343951).

3977394289 is a wasteful number, since it uses less digits than its factorization.

3977394289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472.

The product of its digits is 20575296, while the sum is 61.

The square root of 3977394289 is about 63066.5861530494. The cubic root of 3977394289 is about 1584.4050401601.

The spelling of 3977394289 in words is "three billion, nine hundred seventy-seven million, three hundred ninety-four thousand, two hundred eighty-nine".