27667795380 has 24 divisors (see below), whose sum is σ = 77469827232. Its totient is φ = 7378078752.

The previous prime is 27667795349. The next prime is 27667795417. The reversal of 27667795380 is 8359776672.

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: 461129923 = 27667795380 / (2 + 7 + 6 + 6 + 7 + 7 + 9 + 5 + 3 + 8 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230564902 + ... + 230565021.

It is an arithmetic number, because the mean of its divisors is an integer number (3227909468).

Almost surely, 2^27667795380 is an apocalyptic number.

27667795380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27667795380 is an abundant number, since it is smaller than the sum of its proper divisors (49802031852).

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

27667795380 is a wasteful number, since it uses less digits than its factorization.

27667795380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461129935 (or 461129933 counting only the distinct ones).

The product of its (nonzero) digits is 26671680, while the sum is 60.

The spelling of 27667795380 in words is "twenty-seven billion, six hundred sixty-seven million, seven hundred ninety-five thousand, three hundred eighty".