6678451228 has 6 divisors (see below), whose sum is σ = 11687289656. Its totient is φ = 3339225612.

The previous prime is 6678451223. The next prime is 6678451231. The reversal of 6678451228 is 8221548766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6678451223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 834806400 + ... + 834806407.

Almost surely, 2^6678451228 is an apocalyptic number.

It is an amenable number.

6678451228 is a deficient number, since it is larger than the sum of its proper divisors (5008838428).

6678451228 is a wasteful number, since it uses less digits than its factorization.

6678451228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669612811 (or 1669612809 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 49.

The square root of 6678451228 is about 81721.7916347898. The cubic root of 6678451228 is about 1883.1803746469.

The spelling of 6678451228 in words is "six billion, six hundred seventy-eight million, four hundred fifty-one thousand, two hundred twenty-eight".