27708301836 has 144 divisors (see below), whose sum is σ = 77426949600. Its totient is φ = 8315467776.

The previous prime is 27708301823. The next prime is 27708301879. The reversal of 27708301836 is 63810380772.

It is a junction number, because it is equal to n+sod(n) for n = 27708301791 and 27708301800.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1927371 + ... + 1941693.

It is an arithmetic number, because the mean of its divisors is an integer number (537687150).

Almost surely, 2^27708301836 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 27708301836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38713474800).

27708301836 is an abundant number, since it is smaller than the sum of its proper divisors (49718647764).

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

27708301836 is a wasteful number, since it uses less digits than its factorization.

27708301836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14488 (or 14483 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 27708301836 in words is "twenty-seven billion, seven hundred eight million, three hundred one thousand, eight hundred thirty-six".