6408786677 has 8 divisors (see below), whose sum is σ = 6800777280. Its totient is φ = 6026241760.

The previous prime is 6408786623. The next prime is 6408786707. The reversal of 6408786677 is 7766878046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6408786677 - 2¹⁰ = 6408785653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6408786277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2360024 + ... + 2362737.

It is an arithmetic number, because the mean of its divisors is an integer number (850097160).

Almost surely, 2^6408786677 is an apocalyptic number.

It is an amenable number.

6408786677 is a deficient number, since it is larger than the sum of its proper divisors (391990603).

6408786677 is a wasteful number, since it uses less digits than its factorization.

6408786677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4722843.

The product of its (nonzero) digits is 18966528, while the sum is 59.

The square root of 6408786677 is about 80054.8978951319. The cubic root of 6408786677 is about 1857.4848145209.

The spelling of 6408786677 in words is "six billion, four hundred eight million, seven hundred eighty-six thousand, six hundred seventy-seven".