428250802805 has 8 divisors (see below), whose sum is σ = 587315386752. Its totient is φ = 293657693328.

The previous prime is 428250802789. The next prime is 428250802807. The reversal of 428250802805 is 508208052824.

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 428250802805 - 2⁴ = 428250802789 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 (428250802807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6117868577 + ... + 6117868646.

It is an arithmetic number, because the mean of its divisors is an integer number (73414423344).

Almost surely, 2^428250802805 is an apocalyptic number.

It is an amenable number.

428250802805 is a deficient number, since it is larger than the sum of its proper divisors (159064583947).

428250802805 is a wasteful number, since it uses less digits than its factorization.

428250802805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12235737235.

The product of its (nonzero) digits is 409600, while the sum is 44.

The spelling of 428250802805 in words is "four hundred twenty-eight billion, two hundred fifty million, eight hundred two thousand, eight hundred five".