27867716870220 has 48 divisors (see below), whose sum is σ = 86699563597920. Its totient is φ = 7431391165248.

The previous prime is 27867716870197. The next prime is 27867716870239. The reversal of 27867716870220 is 2207861776872.

It is a happy number.

27867716870220 is a `hidden beast` number, since 278 + 6 + 7 + 71 + 6 + 8 + 70 + 220 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25803441007 + ... + 25803442086.

It is an arithmetic number, because the mean of its divisors is an integer number (1806240908290).

Almost surely, 2^{27867716870220} is an apocalyptic number.

27867716870220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27867716870220 is an abundant number, since it is smaller than the sum of its proper divisors (58831846727700).

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

27867716870220 is a wasteful number, since it uses less digits than its factorization.

27867716870220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51606883111 (or 51606883103 counting only the distinct ones).

The product of its (nonzero) digits is 44255232, while the sum is 63.

The spelling of 27867716870220 in words is "twenty-seven trillion, eight hundred sixty-seven billion, seven hundred sixteen million, eight hundred seventy thousand, two hundred twenty".