428964879 has 16 divisors (see below), whose sum is σ = 653992448. Its totient is φ = 244998432.

The previous prime is 428964857. The next prime is 428964917. The reversal of 428964879 is 978469824.

It is not a de Polignac number, because 428964879 - 2⁸ = 428964623 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 (428964079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51729 + ... + 59445.

It is an arithmetic number, because the mean of its divisors is an integer number (40874528).

Almost surely, 2^428964879 is an apocalyptic number.

428964879 is a deficient number, since it is larger than the sum of its proper divisors (225027569).

428964879 is a wasteful number, since it uses less digits than its factorization.

428964879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10374.

The product of its digits is 6967296, while the sum is 57.

The square root of 428964879 is about 20711.4673309256. The cubic root of 428964879 is about 754.1780912948.

The spelling of 428964879 in words is "four hundred twenty-eight million, nine hundred sixty-four thousand, eight hundred seventy-nine".