27284217968 has 40 divisors (see below), whose sum is σ = 63594798720. Its totient is φ = 11077801920.

The previous prime is 27284217967. The next prime is 27284217997. The reversal of 27284217968 is 86971248272.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27284217967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6408638 + ... + 6412893.

It is an arithmetic number, because the mean of its divisors is an integer number (1589869968).

Almost surely, 2^27284217968 is an apocalyptic number.

27284217968 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

27284217968 is an abundant number, since it is smaller than the sum of its proper divisors (36310580752).

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

27284217968 is a wasteful number, since it uses less digits than its factorization.

27284217968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12821565 (or 12821559 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 56.

The spelling of 27284217968 in words is "twenty-seven billion, two hundred eighty-four million, two hundred seventeen thousand, nine hundred sixty-eight".