6677599380 has 24 divisors (see below), whose sum is σ = 18697278432. Its totient is φ = 1780693152.

The previous prime is 6677599351. The next prime is 6677599393. The reversal of 6677599380 is 839957766.

It is a Harshad number since it is a multiple of its sum of digits (60), and also a Moran number because the ratio is a prime number: 111293323 = 6677599380 / (6 + 6 + 7 + 7 + 5 + 9 + 9 + 3 + 8 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55646602 + ... + 55646721.

It is an arithmetic number, because the mean of its divisors is an integer number (779053268).

Almost surely, 2^6677599380 is an apocalyptic number.

6677599380 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6677599380 is an abundant number, since it is smaller than the sum of its proper divisors (12019679052).

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

6677599380 is a wasteful number, since it uses less digits than its factorization.

6677599380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111293335 (or 111293333 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 60.

The square root of 6677599380 is about 81716.5795906804. The cubic root of 6677599380 is about 1883.1003036049.

The spelling of 6677599380 in words is "six billion, six hundred seventy-seven million, five hundred ninety-nine thousand, three hundred eighty".