275978418820206 has 64 divisors (see below), whose sum is σ = 554352968448000. Its totient is φ = 91594005123456.

The previous prime is 275978418820201. The next prime is 275978418820207. The reversal of 275978418820206 is 602028814879572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275978418820201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12777359395 + ... + 12777380993.

It is an arithmetic number, because the mean of its divisors is an integer number (8661765132000).

Almost surely, 2^{275978418820206} is an apocalyptic number.

275978418820206 is an abundant number, since it is smaller than the sum of its proper divisors (278374549627794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

275978418820206 is a wasteful number, since it uses less digits than its factorization.

275978418820206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27593.

The product of its (nonzero) digits is 216760320, while the sum is 69.

The spelling of 275978418820206 in words is "two hundred seventy-five trillion, nine hundred seventy-eight billion, four hundred eighteen million, eight hundred twenty thousand, two hundred six".