8428774929 has 4 divisors (see below), whose sum is σ = 11238366576. Its totient is φ = 5619183284.

The previous prime is 8428774897. The next prime is 8428774933. The reversal of 8428774929 is 9294778248.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8428774929 - 2⁵ = 8428774897 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8428770929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1404795819 + ... + 1404795824.

It is an arithmetic number, because the mean of its divisors is an integer number (2809591644).

Almost surely, 2^8428774929 is an apocalyptic number.

It is an amenable number.

8428774929 is a deficient number, since it is larger than the sum of its proper divisors (2809591647).

8428774929 is a wasteful number, since it uses less digits than its factorization.

8428774929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809591646.

The product of its digits is 16257024, while the sum is 60.

The square root of 8428774929 is about 91808.3597990945. The cubic root of 8428774929 is about 2035.1112374927. Note that the first 3 decimals are identical.

The spelling of 8428774929 in words is "eight billion, four hundred twenty-eight million, seven hundred seventy-four thousand, nine hundred twenty-nine".