3941116953978 has 64 divisors (see below), whose sum is σ = 7963554816000. Its totient is φ = 1300222238400.

The previous prime is 3941116953929. The next prime is 3941116953979. The reversal of 3941116953978 is 8793596111493.

3941116953978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3941116953979) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 461322775 + ... + 461331317.

It is an arithmetic number, because the mean of its divisors is an integer number (124430544000).

Almost surely, 2^{3941116953978} is an apocalyptic number.

3941116953978 is an abundant number, since it is smaller than the sum of its proper divisors (4022437862022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3941116953978 is a wasteful number, since it uses less digits than its factorization.

3941116953978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10507.

The product of its digits is 44089920, while the sum is 66.

The spelling of 3941116953978 in words is "three trillion, nine hundred forty-one billion, one hundred sixteen million, nine hundred fifty-three thousand, nine hundred seventy-eight".