827273645 has 8 divisors (see below), whose sum is σ = 1082976480. Its totient is φ = 601653520.

The previous prime is 827273641. The next prime is 827273647. The reversal of 827273645 is 546372728.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 827273645 - 2² = 827273641 is a prime.

It is a super-3 number, since 3×827273645³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 827273596 and 827273605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (827273641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7520615 + ... + 7520724.

It is an arithmetic number, because the mean of its divisors is an integer number (135372060).

Almost surely, 2^827273645 is an apocalyptic number.

It is an amenable number.

827273645 is a deficient number, since it is larger than the sum of its proper divisors (255702835).

827273645 is a wasteful number, since it uses less digits than its factorization.

827273645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15041355.

The product of its digits is 564480, while the sum is 44.

The square root of 827273645 is about 28762.3650800834. The cubic root of 827273645 is about 938.7495236708.

It can be divided in two parts, 827 and 273645, that added together give a palindrome (274472).

The spelling of 827273645 in words is "eight hundred twenty-seven million, two hundred seventy-three thousand, six hundred forty-five".