8109387734 has 8 divisors (see below), whose sum is σ = 13901807568. Its totient is φ = 3475451880.

The previous prime is 8109387733. The next prime is 8109387749. The reversal of 8109387734 is 4377839018.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8109387733) 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, 289620977 + ... + 289621004.

It is an arithmetic number, because the mean of its divisors is an integer number (1737725946).

Almost surely, 2^8109387734 is an apocalyptic number.

8109387734 is a deficient number, since it is larger than the sum of its proper divisors (5792419834).

8109387734 is a wasteful number, since it uses less digits than its factorization.

8109387734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579241990.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 8109387734 is about 90052.1389751515. The cubic root of 8109387734 is about 2009.0744097743.

The spelling of 8109387734 in words is "eight billion, one hundred nine million, three hundred eighty-seven thousand, seven hundred thirty-four".