8428734067 has 8 divisors (see below), whose sum is σ = 9212578256. Its totient is φ = 7664244192.

The previous prime is 8428734059. The next prime is 8428734101. The reversal of 8428734067 is 7604378248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8428734067 - 2³ = 8428734059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8428734067.

It is not an unprimeable number, because it can be changed into a prime (8428734037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4837668 + ... + 4839409.

It is an arithmetic number, because the mean of its divisors is an integer number (1151572282).

Almost surely, 2^8428734067 is an apocalyptic number.

8428734067 is a deficient number, since it is larger than the sum of its proper divisors (783844189).

8428734067 is a wasteful number, since it uses less digits than its factorization.

8428734067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9677157.

The product of its (nonzero) digits is 1806336, while the sum is 49.

The square root of 8428734067 is about 91808.1372591776. The cubic root of 8428734067 is about 2035.1079488040.

The spelling of 8428734067 in words is "eight billion, four hundred twenty-eight million, seven hundred thirty-four thousand, sixty-seven".