27707726860 has 24 divisors (see below), whose sum is σ = 63475883856. Its totient is φ = 10075536960.

The previous prime is 27707726833. The next prime is 27707726867. The reversal of 27707726860 is 6862770772.

It is a junction number, because it is equal to n+sod(n) for n = 27707726798 and 27707726807.

It is not an unprimeable number, because it can be changed into a prime (27707726867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62971887 + ... + 62972326.

It is an arithmetic number, because the mean of its divisors is an integer number (2644828494).

Almost surely, 2^27707726860 is an apocalyptic number.

27707726860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27707726860 is an abundant number, since it is smaller than the sum of its proper divisors (35768156996).

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

27707726860 is a wasteful number, since it uses less digits than its factorization.

27707726860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125944233 (or 125944231 counting only the distinct ones).

The product of its (nonzero) digits is 2765952, while the sum is 52.

The spelling of 27707726860 in words is "twenty-seven billion, seven hundred seven million, seven hundred twenty-six thousand, eight hundred sixty".