8108773018 has 4 divisors (see below), whose sum is σ = 12163159530. Its totient is φ = 4054386508.

The previous prime is 8108773007. The next prime is 8108773069. The reversal of 8108773018 is 8103778018.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7890235929 + 218537089 = 88827^2 + 14783^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2027193253 + ... + 2027193256.

Almost surely, 2^8108773018 is an apocalyptic number.

8108773018 is a deficient number, since it is larger than the sum of its proper divisors (4054386512).

8108773018 is a wasteful number, since it uses less digits than its factorization.

8108773018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4054386511.

The product of its (nonzero) digits is 75264, while the sum is 43.

The square root of 8108773018 is about 90048.7257988696. The cubic root of 8108773018 is about 2009.0236438623.

The spelling of 8108773018 in words is "eight billion, one hundred eight million, seven hundred seventy-three thousand, eighteen".