3961616277 has 8 divisors (see below), whose sum is σ = 5297120064. Its totient is φ = 2633595008.

The previous prime is 3961616221. The next prime is 3961616287. The reversal of 3961616277 is 7726161693.

It is a happy number.

3961616277 is digitally balanced in base 3, 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 3961616277 - 2²⁰ = 3960567701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3961616207) 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 7 ways as a sum of consecutive naturals, for example, 1869393 + ... + 1871510.

It is an arithmetic number, because the mean of its divisors is an integer number (662140008).

Almost surely, 2^3961616277 is an apocalyptic number.

It is an amenable number.

3961616277 is a deficient number, since it is larger than the sum of its proper divisors (1335503787).

3961616277 is a wasteful number, since it uses less digits than its factorization.

3961616277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3741259.

The product of its digits is 571536, while the sum is 48.

The square root of 3961616277 is about 62941.3717438697. The cubic root of 3961616277 is about 1582.3071934289.

The spelling of 3961616277 in words is "three billion, nine hundred sixty-one million, six hundred sixteen thousand, two hundred seventy-seven".