3876826705811 has 4 divisors (see below), whose sum is σ = 3880738741824. Its totient is φ = 3872914669800.

The previous prime is 3876826705799. The next prime is 3876826705853. The reversal of 3876826705811 is 1185076286783.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3876826705811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3876826705861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1956016520 + ... + 1956018501.

It is an arithmetic number, because the mean of its divisors is an integer number (970184685456).

Almost surely, 2^{3876826705811} is an apocalyptic number.

3876826705811 is a deficient number, since it is larger than the sum of its proper divisors (3912036013).

3876826705811 is an equidigital number, since it uses as much as digits as its factorization.

3876826705811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3912036012.

The product of its (nonzero) digits is 27095040, while the sum is 62.

The spelling of 3876826705811 in words is "three trillion, eight hundred seventy-six billion, eight hundred twenty-six million, seven hundred five thousand, eight hundred eleven".