428800071 has 16 divisors (see below), whose sum is σ = 661683200. Its totient is φ = 241926048.

The previous prime is 428800069. The next prime is 428800093. The reversal of 428800071 is 170008824.

It is not a de Polignac number, because 428800071 - 2¹ = 428800069 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 (428801071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127576 + ... + 130893.

It is an arithmetic number, because the mean of its divisors is an integer number (41355200).

Almost surely, 2^428800071 is an apocalyptic number.

428800071 is a deficient number, since it is larger than the sum of its proper divisors (232883129).

428800071 is a wasteful number, since it uses less digits than its factorization.

428800071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258558.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 428800071 is about 20707.4882832274. The cubic root of 428800071 is about 754.0814940282.

Adding to 428800071 its reverse (170008824), we get a palindrome (598808895).

The spelling of 428800071 in words is "four hundred twenty-eight million, eight hundred thousand, seventy-one".