8107138327 has 4 divisors (see below), whose sum is σ = 8240042296. Its totient is φ = 7974234360.

The previous prime is 8107138309. The next prime is 8107138349. The reversal of 8107138327 is 7238317018.

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

It is a cyclic number.

It is not a de Polignac number, because 8107138327 - 2⁷ = 8107138199 is a prime.

It is a super-2 number, since 2×8107138327² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8107138327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8107138307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66451893 + ... + 66452014.

It is an arithmetic number, because the mean of its divisors is an integer number (2060010574).

Almost surely, 2^8107138327 is an apocalyptic number.

8107138327 is a deficient number, since it is larger than the sum of its proper divisors (132903969).

8107138327 is a wasteful number, since it uses less digits than its factorization.

8107138327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132903968.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 8107138327 is about 90039.6486388080. The cubic root of 8107138327 is about 2008.8886315090. Note that the first 3 decimals are identical.

The spelling of 8107138327 in words is "eight billion, one hundred seven million, one hundred thirty-eight thousand, three hundred twenty-seven".