839379655 has 4 divisors (see below), whose sum is σ = 1007255592. Its totient is φ = 671503720.

The previous prime is 839379647. The next prime is 839379659. The reversal of 839379655 is 556973938.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 556973938 = 2 ⋅278486969.

It is not a de Polignac number, because 839379655 - 2³ = 839379647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 839379596 and 839379605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (839379659) 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, 83937961 + ... + 83937970.

It is an arithmetic number, because the mean of its divisors is an integer number (251813898).

Almost surely, 2^839379655 is an apocalyptic number.

839379655 is a deficient number, since it is larger than the sum of its proper divisors (167875937).

839379655 is a wasteful number, since it uses less digits than its factorization.

839379655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167875936.

The product of its digits is 6123600, while the sum is 55.

The square root of 839379655 is about 28972.0495477969. The cubic root of 839379655 is about 943.3064691899.

The spelling of 839379655 in words is "eight hundred thirty-nine million, three hundred seventy-nine thousand, six hundred fifty-five".