8428893858 has 288 divisors, whose sum is σ = 25096780800. Its totient is φ = 2092638240.

The previous prime is 8428893821. The next prime is 8428893871. The reversal of 8428893858 is 8583988248.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 8428893795 and 8428893804.

It is an unprimeable number.

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 143 ways as a sum of consecutive naturals, for example, 6024243 + ... + 6025641.

It is an arithmetic number, because the mean of its divisors is an integer number (87141600).

Almost surely, 2^8428893858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8428893858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12548390400).

8428893858 is an abundant number, since it is smaller than the sum of its proper divisors (16667886942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8428893858 is a wasteful number, since it uses less digits than its factorization.

8428893858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464 (or 1445 counting only the distinct ones).

The product of its digits is 35389440, while the sum is 63.

The square root of 8428893858 is about 91809.0074992645. The cubic root of 8428893858 is about 2035.1208091725.

The spelling of 8428893858 in words is "eight billion, four hundred twenty-eight million, eight hundred ninety-three thousand, eight hundred fifty-eight".