8428591879 has 8 divisors (see below), whose sum is σ = 8520930000. Its totient is φ = 8336526912.

The previous prime is 8428591877. The next prime is 8428591889. The reversal of 8428591879 is 9781958248.

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 8428591879 - 2¹ = 8428591877 is a prime.

It is a super-3 number, since 3×8428591879³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8428591877) 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 7 ways as a sum of consecutive naturals, for example, 5929 + ... + 129970.

It is an arithmetic number, because the mean of its divisors is an integer number (1065116250).

Almost surely, 2^8428591879 is an apocalyptic number.

8428591879 is a deficient number, since it is larger than the sum of its proper divisors (92338121).

8428591879 is a wasteful number, since it uses less digits than its factorization.

8428591879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136577.

The product of its digits is 11612160, while the sum is 61.

The square root of 8428591879 is about 91807.3628801089. The cubic root of 8428591879 is about 2035.0965050311.

The spelling of 8428591879 in words is "eight billion, four hundred twenty-eight million, five hundred ninety-one thousand, eight hundred seventy-nine".