8274447138 has 8 divisors (see below), whose sum is σ = 16548894288. Its totient is φ = 2758149044.

The previous prime is 8274447121. The next prime is 8274447157. The reversal of 8274447138 is 8317444728.

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

8274447138 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689537256 + ... + 689537267.

It is an arithmetic number, because the mean of its divisors is an integer number (2068611786).

Almost surely, 2^8274447138 is an apocalyptic number.

8274447138 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.

8274447138 is a wasteful number, since it uses less digits than its factorization.

8274447138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379074528.

The product of its digits is 1204224, while the sum is 48.

The square root of 8274447138 is about 90963.9881381638. The cubic root of 8274447138 is about 2022.6139360691.

The spelling of 8274447138 in words is "eight billion, two hundred seventy-four million, four hundred forty-seven thousand, one hundred thirty-eight".