428886417689 has 8 divisors (see below), whose sum is σ = 432279564288. Its totient is φ = 425493522720.

The previous prime is 428886417677. The next prime is 428886417697. The reversal of 428886417689 is 986714688824.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-428886417689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428886411689) 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, 4899584 + ... + 4986350.

It is an arithmetic number, because the mean of its divisors is an integer number (54034945536).

Almost surely, 2^428886417689 is an apocalyptic number.

It is an amenable number.

428886417689 is a deficient number, since it is larger than the sum of its proper divisors (3393146599).

428886417689 is a wasteful number, since it uses less digits than its factorization.

428886417689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125815.

The product of its digits is 297271296, while the sum is 71.

The spelling of 428886417689 in words is "four hundred twenty-eight billion, eight hundred eighty-six million, four hundred seventeen thousand, six hundred eighty-nine".