27078293988 has 36 divisors (see below), whose sum is σ = 68462388540. Its totient is φ = 9024188736.

The previous prime is 27078293959. The next prime is 27078294071. The reversal of 27078293988 is 88939287072.

It is a happy number.

27078293988 is a `hidden beast` number, since 270 + 78 + 293 + 9 + 8 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13349953764 + 13728340224 = 115542^2 + 117168^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 98458 + ... + 252686.

It is an arithmetic number, because the mean of its divisors is an integer number (1901733015).

Almost surely, 2^27078293988 is an apocalyptic number.

It is an amenable number.

27078293988 is an abundant number, since it is smaller than the sum of its proper divisors (41384094552).

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

27078293988 is a wasteful number, since it uses less digits than its factorization.

27078293988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159116 (or 159111 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 63.

The spelling of 27078293988 in words is "twenty-seven billion, seventy-eight million, two hundred ninety-three thousand, nine hundred eighty-eight".