3775838266387 has 16 divisors (see below), whose sum is σ = 4145800161888. Its totient is φ = 3410354740480.

The previous prime is 3775838266351. The next prime is 3775838266397. The reversal of 3775838266387 is 7836628385773.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3775838266387 is a prime.

It is a super-2 number, since 2×3775838266387² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3775838266337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2034693 + ... + 3419305.

It is an arithmetic number, because the mean of its divisors is an integer number (259112510118).

Almost surely, 2^{3775838266387} is an apocalyptic number.

3775838266387 is a deficient number, since it is larger than the sum of its proper divisors (369961895501).

3775838266387 is a wasteful number, since it uses less digits than its factorization.

3775838266387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386230.

The product of its digits is 1706987520, while the sum is 73.

The spelling of 3775838266387 in words is "three trillion, seven hundred seventy-five billion, eight hundred thirty-eight million, two hundred sixty-six thousand, three hundred eighty-seven".