8427265434 has 160 divisors (see below), whose sum is σ = 23008972800. Its totient is φ = 2251735200.

The previous prime is 8427265417. The next prime is 8427265439. The reversal of 8427265434 is 4345627248.

It is a happy number.

8427265434 is a `hidden beast` number, since 84 + 2 + 7 + 26 + 543 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 8427265434.

It is not an unprimeable number, because it can be changed into a prime (8427265439) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1699659 + ... + 1704609.

It is an arithmetic number, because the mean of its divisors is an integer number (143806080).

Almost surely, 2^8427265434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8427265434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11504486400).

8427265434 is an abundant number, since it is smaller than the sum of its proper divisors (14581707366).

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

8427265434 is a wasteful number, since it uses less digits than its factorization.

8427265434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5070 (or 5061 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 45.

The square root of 8427265434 is about 91800.1385293072. The cubic root of 8427265434 is about 2034.9897420335.

The spelling of 8427265434 in words is "eight billion, four hundred twenty-seven million, two hundred sixty-five thousand, four hundred thirty-four".