27780000107 has 2 divisors, whose sum is σ = 27780000108. Its totient is φ = 27780000106.

The previous prime is 27780000043. The next prime is 27780000121. The reversal of 27780000107 is 70100008772.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27780000107 - 2⁶ = 27780000043 is a prime.

It is a super-2 number, since 2×27780000107² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27780009107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13890000053 + 13890000054.

It is an arithmetic number, because the mean of its divisors is an integer number (13890000054).

Almost surely, 2^27780000107 is an apocalyptic number.

27780000107 is a deficient number, since it is larger than the sum of its proper divisors (1).

27780000107 is an equidigital number, since it uses as much as digits as its factorization.

27780000107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5488, while the sum is 32.

Adding to 27780000107 its reverse (70100008772), we get a palindrome (97880008879).

The spelling of 27780000107 in words is "twenty-seven billion, seven hundred eighty million, one hundred seven", and thus it is an aban number.