428019416807 has 4 divisors (see below), whose sum is σ = 428623112040. Its totient is φ = 427415721576.

The previous prime is 428019416771. The next prime is 428019416863. The reversal of 428019416807 is 708614910824.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 428019416807 - 2⁸ = 428019416551 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 (428019416897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301846553 + ... + 301847970.

It is an arithmetic number, because the mean of its divisors is an integer number (107155778010).

Almost surely, 2^428019416807 is an apocalyptic number.

428019416807 is a deficient number, since it is larger than the sum of its proper divisors (603695233).

428019416807 is an equidigital number, since it uses as much as digits as its factorization.

428019416807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603695232.

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 428019416807 in words is "four hundred twenty-eight billion, nineteen million, four hundred sixteen thousand, eight hundred seven".