27170061923 has 4 divisors (see below), whose sum is σ = 28106960640. Its totient is φ = 26233163208.

The previous prime is 27170061847. The next prime is 27170061937. The reversal of 27170061923 is 32916007172.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27170061923 - 2¹⁶ = 27169996387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27170061323) 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, 468449315 + ... + 468449372.

It is an arithmetic number, because the mean of its divisors is an integer number (7026740160).

Almost surely, 2^27170061923 is an apocalyptic number.

27170061923 is a deficient number, since it is larger than the sum of its proper divisors (936898717).

27170061923 is an equidigital number, since it uses as much as digits as its factorization.

27170061923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936898716.

The product of its (nonzero) digits is 31752, while the sum is 38.

The spelling of 27170061923 in words is "twenty-seven billion, one hundred seventy million, sixty-one thousand, nine hundred twenty-three".