27812020071 has 8 divisors (see below), whose sum is σ = 40453847424. Its totient is φ = 16855769720.

The previous prime is 27812020063. The next prime is 27812020091. The reversal of 27812020071 is 17002021872.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 27812020071 - 2³ = 27812020063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27812020091) 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, 421394211 + ... + 421394276.

It is an arithmetic number, because the mean of its divisors is an integer number (5056730928).

Almost surely, 2^27812020071 is an apocalyptic number.

27812020071 is a deficient number, since it is larger than the sum of its proper divisors (12641827353).

27812020071 is a wasteful number, since it uses less digits than its factorization.

27812020071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842788501.

The product of its (nonzero) digits is 3136, while the sum is 30.

The spelling of 27812020071 in words is "twenty-seven billion, eight hundred twelve million, twenty thousand, seventy-one".