3869427755 has 4 divisors (see below), whose sum is σ = 4643313312. Its totient is φ = 3095542200.

The previous prime is 3869427697. The next prime is 3869427761. The reversal of 3869427755 is 5577249683.

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

It is not a de Polignac number, because 3869427755 - 2¹² = 3869423659 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 3869427755.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386942771 + ... + 386942780.

It is an arithmetic number, because the mean of its divisors is an integer number (1160828328).

Almost surely, 2^3869427755 is an apocalyptic number.

3869427755 is a deficient number, since it is larger than the sum of its proper divisors (773885557).

3869427755 is an equidigital number, since it uses as much as digits as its factorization.

3869427755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773885556.

The product of its digits is 12700800, while the sum is 56.

The square root of 3869427755 is about 62204.7245392181. The cubic root of 3869427755 is about 1569.9370814711.

The spelling of 3869427755 in words is "three billion, eight hundred sixty-nine million, four hundred twenty-seven thousand, seven hundred fifty-five".