3991678410376 has 32 divisors (see below), whose sum is σ = 7489591200000. Its totient is φ = 1994454493056.

The previous prime is 3991678410371. The next prime is 3991678410383. The reversal of 3991678410376 is 6730148761993.

It is a super-2 number, since 2×3991678410376² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3991678410371) 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 7 ways as a sum of consecutive naturals, for example, 93995740 + ... + 94038196.

It is an arithmetic number, because the mean of its divisors is an integer number (234049725000).

Almost surely, 2^{3991678410376} is an apocalyptic number.

It is an amenable number.

3991678410376 is a deficient number, since it is larger than the sum of its proper divisors (3497912789624).

3991678410376 is a wasteful number, since it uses less digits than its factorization.

3991678410376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50341 (or 50337 counting only the distinct ones).

The product of its (nonzero) digits is 41150592, while the sum is 64.

The spelling of 3991678410376 in words is "three trillion, nine hundred ninety-one billion, six hundred seventy-eight million, four hundred ten thousand, three hundred seventy-six".