428106069807 has 8 divisors (see below), whose sum is σ = 614716407984. Its totient is φ = 263449889088.

The previous prime is 428106069793. The next prime is 428106069823. The reversal of 428106069807 is 708960601824.

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

It is not a de Polignac number, because 428106069807 - 2⁷ = 428106069679 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 428106069807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428106069827) 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, 5488539318 + ... + 5488539395.

It is an arithmetic number, because the mean of its divisors is an integer number (76839550998).

Almost surely, 2^428106069807 is an apocalyptic number.

428106069807 is a deficient number, since it is larger than the sum of its proper divisors (186610338177).

428106069807 is a wasteful number, since it uses less digits than its factorization.

428106069807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10977078729.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 428106069807 in words is "four hundred twenty-eight billion, one hundred six million, sixty-nine thousand, eight hundred seven".