3820855679 has 4 divisors (see below), whose sum is σ = 3944109120. Its totient is φ = 3697602240.

The previous prime is 3820855669. The next prime is 3820855681. The reversal of 3820855679 is 9765580283.

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

It is a cyclic number.

It is not a de Polignac number, because 3820855679 - 2⁴ = 3820855663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3820855679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3820855669) 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, 61626674 + ... + 61626735.

It is an arithmetic number, because the mean of its divisors is an integer number (986027280).

Almost surely, 2^3820855679 is an apocalyptic number.

3820855679 is a deficient number, since it is larger than the sum of its proper divisors (123253441).

3820855679 is a wasteful number, since it uses less digits than its factorization.

3820855679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123253440.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The square root of 3820855679 is about 61813.0704543950. The cubic root of 3820855679 is about 1563.3403766361.

The spelling of 3820855679 in words is "three billion, eight hundred twenty million, eight hundred fifty-five thousand, six hundred seventy-nine".