8158875648 has 208 divisors, whose sum is σ = 27125446656. Its totient is φ = 2118942720.

The previous prime is 8158875643. The next prime is 8158875713. The reversal of 8158875648 is 8465788518.

It is a junction number, because it is equal to n+sod(n) for n = 8158875591 and 8158875600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8158875643) 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, 941865 + ... + 950487.

Almost surely, 2^8158875648 is an apocalyptic number.

8158875648 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8158875648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13562723328).

8158875648 is an abundant number, since it is smaller than the sum of its proper divisors (18966571008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8158875648 is a wasteful number, since it uses less digits than its factorization.

8158875648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8668 (or 8646 counting only the distinct ones).

The product of its digits is 17203200, while the sum is 60.

The square root of 8158875648 is about 90326.4947177737. The cubic root of 8158875648 is about 2013.1529476951.

The spelling of 8158875648 in words is "eight billion, one hundred fifty-eight million, eight hundred seventy-five thousand, six hundred forty-eight".