647727223 has 8 divisors (see below), whose sum is σ = 760966416. Its totient is φ = 543547200.

The previous prime is 647727221. The next prime is 647727229. The reversal of 647727223 is 322727746.

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 647727223 - 2¹ = 647727221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647727221) 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, 2264638 + ... + 2264923.

It is an arithmetic number, because the mean of its divisors is an integer number (95120802).

Almost surely, 2^647727223 is an apocalyptic number.

647727223 is a deficient number, since it is larger than the sum of its proper divisors (113239193).

647727223 is a wasteful number, since it uses less digits than its factorization.

647727223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4529585.

The product of its digits is 197568, while the sum is 40.

The square root of 647727223 is about 25450.4857124574. The cubic root of 647727223 is about 865.2283015281.

The spelling of 647727223 in words is "six hundred forty-seven million, seven hundred twenty-seven thousand, two hundred twenty-three".