27483638472 has 128 divisors (see below), whose sum is σ = 85088880000. Its totient is φ = 8168491008.

The previous prime is 27483638471. The next prime is 27483638519.

It is a happy number.

27483638472 is a `hidden beast` number, since 27 + 483 + 63 + 84 + 7 + 2 = 666.

27483638472 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (27483638471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127197 + ... + 266732.

It is an arithmetic number, because the mean of its divisors is an integer number (664756875).

Almost surely, 2^27483638472 is an apocalyptic number.

It is an amenable number.

27483638472 is an abundant number, since it is smaller than the sum of its proper divisors (57605241528).

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

27483638472 is a wasteful number, since it uses less digits than its factorization.

27483638472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393980 (or 393970 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 54.

The spelling of 27483638472 in words is "twenty-seven billion, four hundred eighty-three million, six hundred thirty-eight thousand, four hundred seventy-two".