8118281838 has 8 divisors (see below), whose sum is σ = 16236563688. Its totient is φ = 2706093944.

The previous prime is 8118281771. The next prime is 8118281839. The reversal of 8118281838 is 8381828118.

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

8118281838 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8118281839) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 676523481 + ... + 676523492.

It is an arithmetic number, because the mean of its divisors is an integer number (2029570461).

Almost surely, 2^8118281838 is an apocalyptic number.

8118281838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8118281838 is a wasteful number, since it uses less digits than its factorization.

8118281838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353046978.

The product of its digits is 196608, while the sum is 48.

The square root of 8118281838 is about 90101.5085223327. The cubic root of 8118281838 is about 2009.8086365180.

The spelling of 8118281838 in words is "eight billion, one hundred eighteen million, two hundred eighty-one thousand, eight hundred thirty-eight".