3996173965078 has 16 divisors (see below), whose sum is σ = 6003167281776. Its totient is φ = 1995118428960.

The previous prime is 3996173965061. The next prime is 3996173965079. The reversal of 3996173965078 is 8705693716993.

It is a self number, because there is not a number n which added to its sum of digits gives 3996173965078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3996173965079) 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, 56589400 + ... + 56659972.

It is an arithmetic number, because the mean of its divisors is an integer number (375197955111).

Almost surely, 2^{3996173965078} is an apocalyptic number.

3996173965078 is a deficient number, since it is larger than the sum of its proper divisors (2006993316698).

3996173965078 is a wasteful number, since it uses less digits than its factorization.

3996173965078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112239.

The product of its (nonzero) digits is 462944160, while the sum is 73.

The spelling of 3996173965078 in words is "three trillion, nine hundred ninety-six billion, one hundred seventy-three million, nine hundred sixty-five thousand, seventy-eight".