6678401401 has 8 divisors (see below), whose sum is σ = 7633412864. Its totient is φ = 5723628480.

The previous prime is 6678401351. The next prime is 6678401419. The reversal of 6678401401 is 1041048766.

It is a happy number.

6678401401 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6678401401 - 2⁹ = 6678400889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6678401441) 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, 5041 + ... + 115681.

It is an arithmetic number, because the mean of its divisors is an integer number (954176608).

Almost surely, 2^6678401401 is an apocalyptic number.

It is an amenable number.

6678401401 is a deficient number, since it is larger than the sum of its proper divisors (955011463).

6678401401 is a wasteful number, since it uses less digits than its factorization.

6678401401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119271.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 6678401401 is about 81721.4867767346. The cubic root of 6678401401 is about 1883.1756912525.

The spelling of 6678401401 in words is "six billion, six hundred seventy-eight million, four hundred one thousand, four hundred one".