8168923893 has 8 divisors (see below), whose sum is σ = 11729736928. Its totient is φ = 5027030064.

The previous prime is 8168923843. The next prime is 8168923907. The reversal of 8168923893 is 3983298618.

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

It is not a de Polignac number, because 8168923893 - 2¹⁸ = 8168661749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8168923813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104729755 + ... + 104729832.

It is an arithmetic number, because the mean of its divisors is an integer number (1466217116).

Almost surely, 2^8168923893 is an apocalyptic number.

It is an amenable number.

8168923893 is a deficient number, since it is larger than the sum of its proper divisors (3560813035).

8168923893 is a wasteful number, since it uses less digits than its factorization.

8168923893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209459603.

The product of its digits is 4478976, while the sum is 57.

The square root of 8168923893 is about 90382.0994058005. The cubic root of 8168923893 is about 2013.9790564320.

The spelling of 8168923893 in words is "eight billion, one hundred sixty-eight million, nine hundred twenty-three thousand, eight hundred ninety-three".