27955155155982 has 32 divisors (see below), whose sum is σ = 58863607814400. Its totient is φ = 8826346294848.

The previous prime is 27955155155981. The next prime is 27955155155989. The reversal of 27955155155982 is 28955155155972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27955155155981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21553807 + ... + 22813962.

It is an arithmetic number, because the mean of its divisors is an integer number (1839487744200).

Almost surely, 2^{27955155155982} is an apocalyptic number.

27955155155982 is an abundant number, since it is smaller than the sum of its proper divisors (30908452658418).

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

27955155155982 is a wasteful number, since it uses less digits than its factorization.

27955155155982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44373320.

The product of its digits is 283500000, while the sum is 69.

The spelling of 27955155155982 in words is "twenty-seven trillion, nine hundred fifty-five billion, one hundred fifty-five million, one hundred fifty-five thousand, nine hundred eighty-two".