428296239997 has 8 divisors (see below), whose sum is σ = 428872616960. Its totient is φ = 427720104720.

The previous prime is 428296239947. The next prime is 428296240061. The reversal of 428296239997 is 799932692824.

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-428296239997 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 (428296239937) 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, 3637348 + ... + 3753250.

It is an arithmetic number, because the mean of its divisors is an integer number (53609077120).

Almost surely, 2^428296239997 is an apocalyptic number.

It is an amenable number.

428296239997 is a deficient number, since it is larger than the sum of its proper divisors (576376963).

428296239997 is a wasteful number, since it uses less digits than its factorization.

428296239997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120843.

The product of its digits is 211631616, while the sum is 70.

It can be divided in two parts, 42829 and 6239997, that added together give a palindrome (6282826).

The spelling of 428296239997 in words is "four hundred twenty-eight billion, two hundred ninety-six million, two hundred thirty-nine thousand, nine hundred ninety-seven".