6677377056 has 72 divisors (see below), whose sum is σ = 21701481984. Its totient is φ = 1907821440.

The previous prime is 6677377037. The next prime is 6677377067. The reversal of 6677377056 is 6507737766.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 6677376993 and 6677377011.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1654080 + ... + 1658111.

It is an arithmetic number, because the mean of its divisors is an integer number (301409472).

Almost surely, 2^6677377056 is an apocalyptic number.

It is an amenable number.

6677377056 is an abundant number, since it is smaller than the sum of its proper divisors (15024104928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6677377056 is a wasteful number, since it uses less digits than its factorization.

6677377056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3312214 (or 3312203 counting only the distinct ones).

The product of its (nonzero) digits is 7779240, while the sum is 54.

The square root of 6677377056 is about 81715.2192434188. The cubic root of 6677377056 is about 1883.0794047252.

The spelling of 6677377056 in words is "six billion, six hundred seventy-seven million, three hundred seventy-seven thousand, fifty-six".