867228647 has 8 divisors (see below), whose sum is σ = 913162800. Its totient is φ = 821323584.

The previous prime is 867228641. The next prime is 867228653. The reversal of 867228647 is 746822768.

It is an interprime number because it is at equal distance from previous prime (867228641) and next prime (867228653).

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

It is a cyclic number.

It is not a de Polignac number, because 867228647 - 2¹⁰ = 867227623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 867228595 and 867228604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867228641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82379 + ... + 92307.

It is an arithmetic number, because the mean of its divisors is an integer number (114145350).

Almost surely, 2^867228647 is an apocalyptic number.

867228647 is a deficient number, since it is larger than the sum of its proper divisors (45934153).

867228647 is a wasteful number, since it uses less digits than its factorization.

867228647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14545.

The product of its digits is 1806336, while the sum is 50.

The square root of 867228647 is about 29448.7461023386. The cubic root of 867228647 is about 953.6255355480.

The spelling of 867228647 in words is "eight hundred sixty-seven million, two hundred twenty-eight thousand, six hundred forty-seven".