27777658053 has 4 divisors (see below), whose sum is σ = 37036877408. Its totient is φ = 18518438700.

The previous prime is 27777658039. The next prime is 27777658061. The reversal of 27777658053 is 35085677772.

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 not a de Polignac number, because 27777658053 - 2¹² = 27777653957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27777657984 and 27777658002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27777658063) 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, 4629609673 + ... + 4629609678.

It is an arithmetic number, because the mean of its divisors is an integer number (9259219352).

Almost surely, 2^27777658053 is an apocalyptic number.

It is an amenable number.

27777658053 is a deficient number, since it is larger than the sum of its proper divisors (9259219355).

27777658053 is an equidigital number, since it uses as much as digits as its factorization.

27777658053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9259219354.

The product of its (nonzero) digits is 17287200, while the sum is 57.

The spelling of 27777658053 in words is "twenty-seven billion, seven hundred seventy-seven million, six hundred fifty-eight thousand, fifty-three".