275871680399 has 4 divisors (see below), whose sum is σ = 315281920464. Its totient is φ = 236461440336.

The previous prime is 275871680393. The next prime is 275871680407. The reversal of 275871680399 is 993086178572.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 275871680399 - 2⁸ = 275871680143 is a prime.

It is a super-2 number, since 2×275871680399² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275871680393) 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, 19705120022 + ... + 19705120035.

It is an arithmetic number, because the mean of its divisors is an integer number (78820480116).

Almost surely, 2^275871680399 is an apocalyptic number.

275871680399 is a deficient number, since it is larger than the sum of its proper divisors (39410240065).

275871680399 is an equidigital number, since it uses as much as digits as its factorization.

275871680399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39410240064.

The product of its (nonzero) digits is 45722880, while the sum is 65.

The spelling of 275871680399 in words is "two hundred seventy-five billion, eight hundred seventy-one million, six hundred eighty thousand, three hundred ninety-nine".