8177243394 has 16 divisors (see below), whose sum is σ = 16702455168. Its totient is φ = 2667753072.

The previous prime is 8177243387. The next prime is 8177243407. The reversal of 8177243394 is 4933427718.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 14498377 + ... + 14498940.

It is an arithmetic number, because the mean of its divisors is an integer number (1043903448).

Almost surely, 2^8177243394 is an apocalyptic number.

8177243394 is an abundant number, since it is smaller than the sum of its proper divisors (8525211774).

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

8177243394 is a wasteful number, since it uses less digits than its factorization.

8177243394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28997369.

The product of its digits is 1016064, while the sum is 48.

The square root of 8177243394 is about 90428.1117462927. Note that the first 3 decimals coincide. The cubic root of 8177243394 is about 2014.6625253181.

The spelling of 8177243394 in words is "eight billion, one hundred seventy-seven million, two hundred forty-three thousand, three hundred ninety-four".