3801989771768 has 32 divisors (see below), whose sum is σ = 7373501422560. Its totient is φ = 1836623032320.

The previous prime is 3801989771653. The next prime is 3801989771777. The reversal of 3801989771768 is 8671779891083.

It is a junction number, because it is equal to n+sod(n) for n = 3801989771695 and 3801989771704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56235305 + ... + 56302872.

It is an arithmetic number, because the mean of its divisors is an integer number (230421919455).

Almost surely, 2^{3801989771768} is an apocalyptic number.

It is an amenable number.

3801989771768 is a deficient number, since it is larger than the sum of its proper divisors (3571511650792).

3801989771768 is a wasteful number, since it uses less digits than its factorization.

3801989771768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112538327 (or 112538323 counting only the distinct ones).

The product of its (nonzero) digits is 256048128, while the sum is 74.

The spelling of 3801989771768 in words is "three trillion, eight hundred one billion, nine hundred eighty-nine million, seven hundred seventy-one thousand, seven hundred sixty-eight".