27071396380 has 48 divisors (see below), whose sum is σ = 65346966720. Its totient is φ = 9227962368.

The previous prime is 27071396353. The next prime is 27071396453. The reversal of 27071396380 is 8369317072.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 27071396380.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534645 + ... + 583084.

It is an arithmetic number, because the mean of its divisors is an integer number (1361395140).

Almost surely, 2^27071396380 is an apocalyptic number.

27071396380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27071396380 is an abundant number, since it is smaller than the sum of its proper divisors (38275570340).

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

27071396380 is a wasteful number, since it uses less digits than its factorization.

27071396380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117918 (or 1117916 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 46.

The spelling of 27071396380 in words is "twenty-seven billion, seventy-one million, three hundred ninety-six thousand, three hundred eighty".