3969976111 has 8 divisors (see below), whose sum is σ = 4163616864. Its totient is φ = 3778088160.

The previous prime is 3969976099. The next prime is 3969976121. The reversal of 3969976111 is 1116799693.

It is a happy number.

3969976111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3969976111 - 2⁵ = 3969976079 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 (3969976121) 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, 433560 + ... + 442621.

It is an arithmetic number, because the mean of its divisors is an integer number (520452108).

Almost surely, 2^3969976111 is an apocalyptic number.

3969976111 is a deficient number, since it is larger than the sum of its proper divisors (193640753).

3969976111 is a wasteful number, since it uses less digits than its factorization.

3969976111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876401.

The product of its digits is 551124, while the sum is 52.

The square root of 3969976111 is about 63007.7464364502. The cubic root of 3969976111 is about 1583.4194105103.

The spelling of 3969976111 in words is "three billion, nine hundred sixty-nine million, nine hundred seventy-six thousand, one hundred eleven".