27058120779 has 4 divisors (see below), whose sum is σ = 36077494376. Its totient is φ = 18038747184.

The previous prime is 27058120777. The next prime is 27058120787. The reversal of 27058120779 is 97702185072.

It is a happy number.

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

It is not a de Polignac number, because 27058120779 - 2¹ = 27058120777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27058120777) 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, 4509686794 + ... + 4509686799.

It is an arithmetic number, because the mean of its divisors is an integer number (9019373594).

Almost surely, 2^27058120779 is an apocalyptic number.

27058120779 is a deficient number, since it is larger than the sum of its proper divisors (9019373597).

27058120779 is an equidigital number, since it uses as much as digits as its factorization.

27058120779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9019373596.

The product of its (nonzero) digits is 493920, while the sum is 48.

The spelling of 27058120779 in words is "twenty-seven billion, fifty-eight million, one hundred twenty thousand, seven hundred seventy-nine".