8180923792 has 10 divisors (see below), whose sum is σ = 15850539878. Its totient is φ = 4090461888.

The previous prime is 8180923769. The next prime is 8180923799. The reversal of 8180923792 is 2973290818.

It can be written as a sum of positive squares in only one way, i.e., 5306248336 + 2874675456 = 72844^2 + 53616^2 .

It is not an unprimeable number, because it can be changed into a prime (8180923799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255653853 + ... + 255653884.

Almost surely, 2^8180923792 is an apocalyptic number.

It is an amenable number.

8180923792 is a deficient number, since it is larger than the sum of its proper divisors (7669616086).

8180923792 is a wasteful number, since it uses less digits than its factorization.

8180923792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511307745 (or 511307739 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 8180923792 is about 90448.4593124725. The cubic root of 8180923792 is about 2014.9647317970.

The spelling of 8180923792 in words is "eight billion, one hundred eighty million, nine hundred twenty-three thousand, seven hundred ninety-two".