3996043087478 has 8 divisors (see below), whose sum is σ = 6455146525968. Its totient is φ = 1844327578824.

The previous prime is 3996043087429. The next prime is 3996043087483. The reversal of 3996043087478 is 8747803406993.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76846982426 + ... + 76846982477.

It is an arithmetic number, because the mean of its divisors is an integer number (806893315746).

Almost surely, 2^{3996043087478} is an apocalyptic number.

3996043087478 is a deficient number, since it is larger than the sum of its proper divisors (2459103438490).

3996043087478 is a wasteful number, since it uses less digits than its factorization.

3996043087478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153693964918.

The product of its (nonzero) digits is 219469824, while the sum is 68.

The spelling of 3996043087478 in words is "three trillion, nine hundred ninety-six billion, forty-three million, eighty-seven thousand, four hundred seventy-eight".