8534123907 has 16 divisors (see below), whose sum is σ = 11457361920. Its totient is φ = 5650250400.

The previous prime is 8534123903. The next prime is 8534123909. The reversal of 8534123907 is 7093214358.

It is not a de Polignac number, because 8534123907 - 2² = 8534123903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8534123903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342657 + ... + 366717.

It is an arithmetic number, because the mean of its divisors is an integer number (716085120).

Almost surely, 2^8534123907 is an apocalyptic number.

8534123907 is a deficient number, since it is larger than the sum of its proper divisors (2923238013).

8534123907 is a wasteful number, since it uses less digits than its factorization.

8534123907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24874.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 8534123907 is about 92380.3220767280. The cubic root of 8534123907 is about 2043.5549244401.

The spelling of 8534123907 in words is "eight billion, five hundred thirty-four million, one hundred twenty-three thousand, nine hundred seven".