8425919158 has 16 divisors (see below), whose sum is σ = 12666543120. Its totient is φ = 4203749376.

The previous prime is 8425919147. The next prime is 8425919179. The reversal of 8425919158 is 8519195248.

It is a happy number.

It is a super-2 number, since 2×8425919158² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2731485 + ... + 2734567.

It is an arithmetic number, because the mean of its divisors is an integer number (791658945).

Almost surely, 2^8425919158 is an apocalyptic number.

8425919158 is a deficient number, since it is larger than the sum of its proper divisors (4240623962).

8425919158 is a wasteful number, since it uses less digits than its factorization.

8425919158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5631.

The product of its digits is 1036800, while the sum is 52.

The square root of 8425919158 is about 91792.8055895450. The cubic root of 8425919158 is about 2034.8813714209.

The spelling of 8425919158 in words is "eight billion, four hundred twenty-five million, nine hundred nineteen thousand, one hundred fifty-eight".