267828270297121 has 4 divisors (see below), whose sum is σ = 270285410391700. Its totient is φ = 265371130202544.

The previous prime is 267828270297103. The next prime is 267828270297131. The reversal of 267828270297121 is 121792072828762.

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

It can be written as a sum of positive squares in 2 ways, for example, as 174394104458896 + 93434165838225 = 13205836^2 + 9666135^2 .

It is a cyclic number.

It is not a de Polignac number, because 267828270297121 - 2⁵ = 267828270297089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (267828270297131) 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, 1228570047126 + ... + 1228570047343.

It is an arithmetic number, because the mean of its divisors is an integer number (67571352597925).

Almost surely, 2^{267828270297121} is an apocalyptic number.

It is an amenable number.

267828270297121 is a deficient number, since it is larger than the sum of its proper divisors (2457140094579).

267828270297121 is a wasteful number, since it uses less digits than its factorization.

267828270297121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457140094578.

The product of its (nonzero) digits is 37933056, while the sum is 64.

The spelling of 267828270297121 in words is "two hundred sixty-seven trillion, eight hundred twenty-eight billion, two hundred seventy million, two hundred ninety-seven thousand, one hundred twenty-one".