8508426838 has 4 divisors (see below), whose sum is σ = 12762640260. Its totient is φ = 4254213418.

The previous prime is 8508426833. The next prime is 8508426853. The reversal of 8508426838 is 8386248058.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8508426833) 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 as a sum of consecutive naturals, namely, 2127106708 + ... + 2127106711.

It is an arithmetic number, because the mean of its divisors is an integer number (3190660065).

Almost surely, 2^8508426838 is an apocalyptic number.

8508426838 is a deficient number, since it is larger than the sum of its proper divisors (4254213422).

8508426838 is a wasteful number, since it uses less digits than its factorization.

8508426838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4254213421.

The product of its (nonzero) digits is 2949120, while the sum is 52.

The square root of 8508426838 is about 92241.1341972767. The cubic root of 8508426838 is about 2041.5017487255.

The spelling of 8508426838 in words is "eight billion, five hundred eight million, four hundred twenty-six thousand, eight hundred thirty-eight".