27777304019 has 2 divisors, whose sum is σ = 27777304020. Its totient is φ = 27777304018.

The previous prime is 27777304007. The next prime is 27777304031. The reversal of 27777304019 is 91040377772.

It is a balanced prime because it is at equal distance from previous prime (27777304007) and next prime (27777304031).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27777304019 is a prime.

It is a super-2 number, since 2×27777304019² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27777304099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13888652009 + 13888652010.

It is an arithmetic number, because the mean of its divisors is an integer number (13888652010).

Almost surely, 2^27777304019 is an apocalyptic number.

27777304019 is a deficient number, since it is larger than the sum of its proper divisors (1).

27777304019 is an equidigital number, since it uses as much as digits as its factorization.

27777304019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518616, while the sum is 47.

The spelling of 27777304019 in words is "twenty-seven billion, seven hundred seventy-seven million, three hundred four thousand, nineteen".