27860418163872 has 216 divisors, whose sum is σ = 96170357608416. Its totient is φ = 7614027235584.

The previous prime is 27860418163871. The next prime is 27860418163873. The reversal of 27860418163872 is 27836181406872.

It is a happy number.

27860418163872 is a `hidden beast` number, since 2 + 7 + 8 + 604 + 1 + 8 + 16 + 3 + 8 + 7 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (27860418163871) and next prime (27860418163873).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (27860418163871) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 42593598 + ... + 43242749.

It is an arithmetic number, because the mean of its divisors is an integer number (445233137076).

Almost surely, 2^{27860418163872} is an apocalyptic number.

It is an amenable number.

27860418163872 is an abundant number, since it is smaller than the sum of its proper divisors (68309939444544).

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

27860418163872 is a wasteful number, since it uses less digits than its factorization.

27860418163872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85836400 (or 85836382 counting only the distinct ones).

The product of its (nonzero) digits is 43352064, while the sum is 63.

The spelling of 27860418163872 in words is "twenty-seven trillion, eight hundred sixty billion, four hundred eighteen million, one hundred sixty-three thousand, eight hundred seventy-two".