27870332073 has 4 divisors (see below), whose sum is σ = 37160442768. Its totient is φ = 18580221380.

The previous prime is 27870332059. The next prime is 27870332089. The reversal of 27870332073 is 37023307872.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27870332073 - 2²² = 27866137769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27870332003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4645055343 + ... + 4645055348.

It is an arithmetic number, because the mean of its divisors is an integer number (9290110692).

Almost surely, 2^27870332073 is an apocalyptic number.

It is an amenable number.

27870332073 is a deficient number, since it is larger than the sum of its proper divisors (9290110695).

27870332073 is an equidigital number, since it uses as much as digits as its factorization.

27870332073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9290110694.

The product of its (nonzero) digits is 296352, while the sum is 42.

The spelling of 27870332073 in words is "twenty-seven billion, eight hundred seventy million, three hundred thirty-two thousand, seventy-three".