3977355163 has 4 divisors (see below), whose sum is σ = 3990930048. Its totient is φ = 3963780280.

The previous prime is 3977355113. The next prime is 3977355181. The reversal of 3977355163 is 3615537793.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3977355163 - 2⁹ = 3977354651 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3977355113) 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 3 ways as a sum of consecutive naturals, for example, 6787003 + ... + 6787588.

It is an arithmetic number, because the mean of its divisors is an integer number (997732512).

Almost surely, 2^3977355163 is an apocalyptic number.

3977355163 is a deficient number, since it is larger than the sum of its proper divisors (13574885).

3977355163 is a wasteful number, since it uses less digits than its factorization.

3977355163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13574884.

The product of its digits is 1786050, while the sum is 49.

The square root of 3977355163 is about 63066.2759563303. The cubic root of 3977355163 is about 1584.3998448295.

The spelling of 3977355163 in words is "three billion, nine hundred seventy-seven million, three hundred fifty-five thousand, one hundred sixty-three".