8123958508 has 24 divisors (see below), whose sum is σ = 14730705360. Its totient is φ = 3917784000.

The previous prime is 8123958473. The next prime is 8123958509. The reversal of 8123958508 is 8058593218.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (8123958509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312243 + ... + 337258.

It is an arithmetic number, because the mean of its divisors is an integer number (613779390).

Almost surely, 2^8123958508 is an apocalyptic number.

It is an amenable number.

8123958508 is a deficient number, since it is larger than the sum of its proper divisors (6606746852).

8123958508 is a wasteful number, since it uses less digits than its factorization.

8123958508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649617 (or 649615 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 49.

The square root of 8123958508 is about 90133.0045432859. The cubic root of 8123958508 is about 2010.2769770863.

The spelling of 8123958508 in words is "eight billion, one hundred twenty-three million, nine hundred fifty-eight thousand, five hundred eight".