6678606477 has 8 divisors (see below), whose sum is σ = 8923095616. Its totient is φ = 4443260832.

The previous prime is 6678606443. The next prime is 6678606491. The reversal of 6678606477 is 7746068766.

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

It is not a de Polignac number, because 6678606477 - 2⁶ = 6678606413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6678606497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2284168 + ... + 2287089.

It is an arithmetic number, because the mean of its divisors is an integer number (1115386952).

Almost surely, 2^6678606477 is an apocalyptic number.

It is an amenable number.

6678606477 is a deficient number, since it is larger than the sum of its proper divisors (2244489139).

6678606477 is a wasteful number, since it uses less digits than its factorization.

6678606477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4571747.

The product of its (nonzero) digits is 14224896, while the sum is 57.

The square root of 6678606477 is about 81722.7414921942. The cubic root of 6678606477 is about 1883.1949668327.

The spelling of 6678606477 in words is "six billion, six hundred seventy-eight million, six hundred six thousand, four hundred seventy-seven".