27284532078 has 16 divisors (see below), whose sum is σ = 54581377536. Its totient is φ = 9092791800.

The previous prime is 27284532061. The next prime is 27284532097. The reversal of 27284532078 is 87023548272.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 484126 + ... + 537537.

It is an arithmetic number, because the mean of its divisors is an integer number (3411336096).

Almost surely, 2^27284532078 is an apocalyptic number.

27284532078 is an abundant number, since it is smaller than the sum of its proper divisors (27296845458).

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

27284532078 is a wasteful number, since it uses less digits than its factorization.

27284532078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026119.

The product of its (nonzero) digits is 1505280, while the sum is 48.

The spelling of 27284532078 in words is "twenty-seven billion, two hundred eighty-four million, five hundred thirty-two thousand, seventy-eight".