27733162407978 has 64 divisors (see below), whose sum is σ = 57225329377920. Its totient is φ = 8957004198912.

The previous prime is 27733162407971. The next prime is 27733162408001. The reversal of 27733162407978 is 87970426133772.

It is not an unprimeable number, because it can be changed into a prime (27733162407971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3693150 + ... + 8312982.

It is an arithmetic number, because the mean of its divisors is an integer number (894145771530).

Almost surely, 2^{27733162407978} is an apocalyptic number.

27733162407978 is an abundant number, since it is smaller than the sum of its proper divisors (29492166969942).

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

27733162407978 is a wasteful number, since it uses less digits than its factorization.

27733162407978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4620151.

The product of its (nonzero) digits is 149361408, while the sum is 66.

The spelling of 27733162407978 in words is "twenty-seven trillion, seven hundred thirty-three billion, one hundred sixty-two million, four hundred seven thousand, nine hundred seventy-eight".