3980256911 has 8 divisors (see below), whose sum is σ = 4056372000. Its totient is φ = 3904179552.

The previous prime is 3980256887. The next prime is 3980256923. The reversal of 3980256911 is 1196520893.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3980256911 - 2²⁶ = 3913148047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3980256961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298166 + ... + 311228.

It is an arithmetic number, because the mean of its divisors is an integer number (507046500).

Almost surely, 2^3980256911 is an apocalyptic number.

3980256911 is a deficient number, since it is larger than the sum of its proper divisors (76115089).

3980256911 is a wasteful number, since it uses less digits than its factorization.

3980256911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18865.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 3980256911 is about 63089.2773060526. The cubic root of 3980256911 is about 1584.7850599014.

The spelling of 3980256911 in words is "three billion, nine hundred eighty million, two hundred fifty-six thousand, nine hundred eleven".