3777968981853 has 12 divisors (see below), whose sum is σ = 5953163244288. Its totient is φ = 2289678170760.

The previous prime is 3777968981791. The next prime is 3777968981863. The reversal of 3777968981853 is 3581898697773.

3777968981853 is a `hidden beast` number, since 377 + 7 + 9 + 68 + 9 + 8 + 185 + 3 = 666.

It is not a de Polignac number, because 3777968981853 - 2¹⁰ = 3777968980829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3777968981863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19080651325 + ... + 19080651522.

It is an arithmetic number, because the mean of its divisors is an integer number (496096937024).

Almost surely, 2^{3777968981853} is an apocalyptic number.

3777968981853 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3777968981853 is a deficient number, since it is larger than the sum of its proper divisors (2175194262435).

3777968981853 is a wasteful number, since it uses less digits than its factorization.

3777968981853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38161302864 (or 38161302861 counting only the distinct ones).

The product of its digits is 3840721920, while the sum is 81.

The spelling of 3777968981853 in words is "three trillion, seven hundred seventy-seven billion, nine hundred sixty-eight million, nine hundred eighty-one thousand, eight hundred fifty-three".