6479886379 has 4 divisors (see below), whose sum is σ = 6861056184. Its totient is φ = 6098716576.

The previous prime is 6479886377. The next prime is 6479886403. The reversal of 6479886379 is 9736889746.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9736889746 = 2 ⋅4868444873.

It is a cyclic number.

It is not a de Polignac number, because 6479886379 - 2¹ = 6479886377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6479886373) 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, 190584877 + ... + 190584910.

It is an arithmetic number, because the mean of its divisors is an integer number (1715264046).

Almost surely, 2^6479886379 is an apocalyptic number.

6479886379 is a deficient number, since it is larger than the sum of its proper divisors (381169805).

6479886379 is a wasteful number, since it uses less digits than its factorization.

6479886379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381169804.

The product of its digits is 109734912, while the sum is 67.

The square root of 6479886379 is about 80497.7414527886. The cubic root of 6479886379 is about 1864.3286070005.

The spelling of 6479886379 in words is "six billion, four hundred seventy-nine million, eight hundred eighty-six thousand, three hundred seventy-nine".