6678445623 has 8 divisors (see below), whose sum is σ = 9291750528. Its totient is φ = 4258718904.

The previous prime is 6678445621. The next prime is 6678445633. The reversal of 6678445623 is 3265448766.

It is a happy number.

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

It is not a de Polignac number, because 6678445623 - 2¹ = 6678445621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6678445621) 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, 48394465 + ... + 48394602.

It is an arithmetic number, because the mean of its divisors is an integer number (1161468816).

Almost surely, 2^6678445623 is an apocalyptic number.

6678445623 is a deficient number, since it is larger than the sum of its proper divisors (2613304905).

6678445623 is a wasteful number, since it uses less digits than its factorization.

6678445623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96789093.

The product of its digits is 5806080, while the sum is 51.

The square root of 6678445623 is about 81721.7573416040. The cubic root of 6678445623 is about 1883.1798478167.

The spelling of 6678445623 in words is "six billion, six hundred seventy-eight million, four hundred forty-five thousand, six hundred twenty-three".