27120562377 has 4 divisors (see below), whose sum is σ = 36160749840. Its totient is φ = 18080374916.

The previous prime is 27120562351. The next prime is 27120562387. The reversal of 27120562377 is 77326502172.

It is a happy number.

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 27120562377 - 2¹⁶ = 27120496841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27120562307) 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, 4520093727 + ... + 4520093732.

It is an arithmetic number, because the mean of its divisors is an integer number (9040187460).

Almost surely, 2^27120562377 is an apocalyptic number.

It is an amenable number.

27120562377 is a deficient number, since it is larger than the sum of its proper divisors (9040187463).

27120562377 is an equidigital number, since it uses as much as digits as its factorization.

27120562377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9040187462.

The product of its (nonzero) digits is 246960, while the sum is 42.

The spelling of 27120562377 in words is "twenty-seven billion, one hundred twenty million, five hundred sixty-two thousand, three hundred seventy-seven".