4086977779 has 4 divisors (see below), whose sum is σ = 4090381960. Its totient is φ = 4083573600.

The previous prime is 4086977771. The next prime is 4086977789. The reversal of 4086977779 is 9777796804.

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 4086977779 - 2³ = 4086977771 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 4086977779.

It is not an unprimeable number, because it can be changed into a prime (4086977771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1700289 + ... + 1702690.

It is an arithmetic number, because the mean of its divisors is an integer number (1022595490).

Almost surely, 2^4086977779 is an apocalyptic number.

4086977779 is a deficient number, since it is larger than the sum of its proper divisors (3404181).

4086977779 is a wasteful number, since it uses less digits than its factorization.

4086977779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404180.

The product of its (nonzero) digits is 37340352, while the sum is 64.

The square root of 4086977779 is about 63929.4750408605. The cubic root of 4086977779 is about 1598.8243680331.

The spelling of 4086977779 in words is "four billion, eighty-six million, nine hundred seventy-seven thousand, seven hundred seventy-nine".