3964157917 has 8 divisors (see below), whose sum is σ = 4057259360. Its totient is φ = 3871098000.

The previous prime is 3964157887. The next prime is 3964157927. The reversal of 3964157917 is 7197514693.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3964157917 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 (3964157927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271042 + ... + 285292.

It is an arithmetic number, because the mean of its divisors is an integer number (507157420).

Almost surely, 2^3964157917 is an apocalyptic number.

It is an amenable number.

3964157917 is a deficient number, since it is larger than the sum of its proper divisors (93101443).

3964157917 is a wasteful number, since it uses less digits than its factorization.

3964157917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20763.

The product of its digits is 1428840, while the sum is 52.

The square root of 3964157917 is about 62961.5590420059. The cubic root of 3964157917 is about 1582.6455061467.

The spelling of 3964157917 in words is "three billion, nine hundred sixty-four million, one hundred fifty-seven thousand, nine hundred seventeen".