275822907078889 has 27 divisors (see below), whose sum is σ = 279660646463223. Its totient is φ = 272037680460000.

The previous prime is 275822907078869. The next prime is 275822907078907. The reversal of 275822907078889 is 988870709228572.

The square root of 275822907078889 is 16607917.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 79097597304489 + 196725309774400 = 8893683^2 + 14025880^2 .

It is not a de Polignac number, because 275822907078889 - 2²³ = 275822898690281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275822907078869) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 529410569949 + ... + 529410570469.

Almost surely, 2^{275822907078889} is an apocalyptic number.

275822907078889 is the 16607917-th square number.

275822907078889 is the 8303959-th centered octagonal number.

It is an amenable number.

275822907078889 is a deficient number, since it is larger than the sum of its proper divisors (3837739384334).

275822907078889 is an frugal number, since it uses more digits than its factorization.

275822907078889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798 (or 899 counting only the distinct ones).

The product of its (nonzero) digits is 4551966720, while the sum is 82.

The spelling of 275822907078889 in words is "two hundred seventy-five trillion, eight hundred twenty-two billion, nine hundred seven million, seventy-eight thousand, eight hundred eighty-nine".