275978418820207 has 2 divisors, whose sum is σ = 275978418820208. Its totient is φ = 275978418820206.

The previous prime is 275978418820201. The next prime is 275978418820229. The reversal of 275978418820207 is 702028814879572.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 275978418820207 - 2³⁵ = 275944059081839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275978418820201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137989209410103 + 137989209410104.

It is an arithmetic number, because the mean of its divisors is an integer number (137989209410104).

Almost surely, 2^{275978418820207} is an apocalyptic number.

275978418820207 is a deficient number, since it is larger than the sum of its proper divisors (1).

275978418820207 is an equidigital number, since it uses as much as digits as its factorization.

275978418820207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252887040, while the sum is 70.

The spelling of 275978418820207 in words is "two hundred seventy-five trillion, nine hundred seventy-eight billion, four hundred eighteen million, eight hundred twenty thousand, two hundred seven".