27809750016 has 264 divisors, whose sum is σ = 85702322160. Its totient is φ = 8655077376.

The previous prime is 27809749997. The next prime is 27809750021. The reversal of 27809750016 is 61005790872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21776770 + ... + 21778046.

Almost surely, 2^27809750016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27809750016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42851161080).

27809750016 is an abundant number, since it is smaller than the sum of its proper divisors (57892572144).

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

27809750016 is a wasteful number, since it uses less digits than its factorization.

27809750016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459 (or 1438 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 27809750016 in words is "twenty-seven billion, eight hundred nine million, seven hundred fifty thousand, sixteen".