27619605680 has 20 divisors (see below), whose sum is σ = 64215583392. Its totient is φ = 11047842240.

The previous prime is 27619605659. The next prime is 27619605751. The reversal of 27619605680 is 8650691672.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172622456 + ... + 172622615.

Almost surely, 2^27619605680 is an apocalyptic number.

27619605680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27619605680 is an abundant number, since it is smaller than the sum of its proper divisors (36595977712).

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

27619605680 is a wasteful number, since it uses less digits than its factorization.

27619605680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345245084 (or 345245078 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 27619605680 in words is "twenty-seven billion, six hundred nineteen million, six hundred five thousand, six hundred eighty".