3975747807422 has 24 divisors (see below), whose sum is σ = 6181287887880. Its totient is φ = 1917309623840.

The previous prime is 3975747807379. The next prime is 3975747807433. The reversal of 3975747807422 is 2247087475793.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5665829 + ... + 6328752.

It is an arithmetic number, because the mean of its divisors is an integer number (257553661995).

Almost surely, 2^{3975747807422} is an apocalyptic number.

3975747807422 is a deficient number, since it is larger than the sum of its proper divisors (2205540080458).

3975747807422 is a wasteful number, since it uses less digits than its factorization.

3975747807422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11994748 (or 11994695 counting only the distinct ones).

The product of its (nonzero) digits is 165957120, while the sum is 65.

The spelling of 3975747807422 in words is "three trillion, nine hundred seventy-five billion, seven hundred forty-seven million, eight hundred seven thousand, four hundred twenty-two".