428394076803 has 80 divisors (see below), whose sum is σ = 808786023936. Its totient is φ = 219493618560.

The previous prime is 428394076793. The next prime is 428394076819. The reversal of 428394076803 is 308670493824.

428394076803 is a `hidden beast` number, since 428 + 39 + 40 + 76 + 80 + 3 = 666.

It is not a de Polignac number, because 428394076803 - 2⁵ = 428394076771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 428394076803.

It is not an unprimeable number, because it can be changed into a prime (428394076823) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 15151 + ... + 925752.

Almost surely, 2^428394076803 is an apocalyptic number.

428394076803 is a deficient number, since it is larger than the sum of its proper divisors (380391947133).

428394076803 is a wasteful number, since it uses less digits than its factorization.

428394076803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941006 (or 940997 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 428394076803 in words is "four hundred twenty-eight billion, three hundred ninety-four million, seventy-six thousand, eight hundred three".