428224551671 has 8 divisors (see below), whose sum is σ = 490372452864. Its totient is φ = 366319891800.

The previous prime is 428224551659. The next prime is 428224551731. The reversal of 428224551671 is 176155422824.

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 428224551671 - 2¹⁰ = 428224550647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428224550671) 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, 60806555 + ... + 60813596.

It is an arithmetic number, because the mean of its divisors is an integer number (61296556608).

Almost surely, 2^428224551671 is an apocalyptic number.

428224551671 is a deficient number, since it is larger than the sum of its proper divisors (62147901193).

428224551671 is a wasteful number, since it uses less digits than its factorization.

428224551671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121620661.

The product of its digits is 1075200, while the sum is 47.

The spelling of 428224551671 in words is "four hundred twenty-eight billion, two hundred twenty-four million, five hundred fifty-one thousand, six hundred seventy-one".