27468978 has 8 divisors (see below), whose sum is σ = 54937968. Its totient is φ = 9156324.

The previous prime is 27468949. The next prime is 27468979. The reversal of 27468978 is 87986472.

It is a sphenic number, since it is the product of 3 distinct primes.

27468978 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 27468978.

It is not an unprimeable number, because it can be changed into a prime (27468979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2289076 + ... + 2289087.

It is an arithmetic number, because the mean of its divisors is an integer number (6867246).

Almost surely, 2^27468978 is an apocalyptic number.

27468978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27468978 is a wasteful number, since it uses less digits than its factorization.

27468978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4578168.

The product of its digits is 1354752, while the sum is 51.

The square root of 27468978 is about 5241.0855745733. The cubic root of 27468978 is about 301.7269947754.

The spelling of 27468978 in words is "twenty-seven million, four hundred sixty-eight thousand, nine hundred seventy-eight".