27380728270 has 32 divisors (see below), whose sum is σ = 56525142528. Its totient is φ = 9354499488.

The previous prime is 27380728267. The next prime is 27380728321. The reversal of 27380728270 is 7282708372.

It is a self number, because there is not a number n which added to its sum of digits gives 27380728270.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 671274 + ... + 710893.

It is an arithmetic number, because the mean of its divisors is an integer number (1766410704).

Almost surely, 2^27380728270 is an apocalyptic number.

27380728270 is an abundant number, since it is smaller than the sum of its proper divisors (29144414258).

27380728270 is a wasteful number, since it uses less digits than its factorization.

27380728270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382464.

The product of its (nonzero) digits is 526848, while the sum is 46.

The spelling of 27380728270 in words is "twenty-seven billion, three hundred eighty million, seven hundred twenty-eight thousand, two hundred seventy".