428436480837 has 24 divisors (see below), whose sum is σ = 592086791296. Its totient is φ = 275560475904.

The previous prime is 428436480799. The next prime is 428436480841. The reversal of 428436480837 is 738084634824.

It is not a de Polignac number, because 428436480837 - 2⁷ = 428436480709 is a prime.

It is a super-2 number, since 2×428436480837² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428436480937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3206868 + ... + 3337794.

Almost surely, 2^428436480837 is an apocalyptic number.

It is an amenable number.

428436480837 is a deficient number, since it is larger than the sum of its proper divisors (163650310459).

428436480837 is a wasteful number, since it uses less digits than its factorization.

428436480837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132285 (or 132256 counting only the distinct ones).

The product of its (nonzero) digits is 24772608, while the sum is 57.

The spelling of 428436480837 in words is "four hundred twenty-eight billion, four hundred thirty-six million, four hundred eighty thousand, eight hundred thirty-seven".