3920194411078 has 12 divisors (see below), whose sum is σ = 6463461033540. Its totient is φ = 1781906550380.

The previous prime is 3920194411051. The next prime is 3920194411127. The reversal of 3920194411078 is 8701144910293.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8099574988 + ... + 8099575471.

It is an arithmetic number, because the mean of its divisors is an integer number (538621752795).

Almost surely, 2^{3920194411078} is an apocalyptic number.

3920194411078 is a deficient number, since it is larger than the sum of its proper divisors (2543266622462).

3920194411078 is a wasteful number, since it uses less digits than its factorization.

3920194411078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16199150483 (or 16199150472 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 3920194411078 in words is "three trillion, nine hundred twenty billion, one hundred ninety-four million, four hundred eleven thousand, seventy-eight".