3978083176 has 8 divisors (see below), whose sum is σ = 7458905970. Its totient is φ = 1989041584.

The previous prime is 3978083171. The next prime is 3978083177. The reversal of 3978083176 is 6713808793.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2335402276 + 1642680900 = 48326^2 + 40530^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (3978083171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248630191 + ... + 248630206.

Almost surely, 2^3978083176 is an apocalyptic number.

It is an amenable number.

3978083176 is a deficient number, since it is larger than the sum of its proper divisors (3480822794).

3978083176 is a wasteful number, since it uses less digits than its factorization.

3978083176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497260403 (or 497260399 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 52.

The square root of 3978083176 is about 63072.0475012505. The cubic root of 3978083176 is about 1584.4965081705.

The spelling of 3978083176 in words is "three billion, nine hundred seventy-eight million, eighty-three thousand, one hundred seventy-six".