8258266720 has 96 divisors (see below), whose sum is σ = 21307297536. Its totient is φ = 2999692800.

The previous prime is 8258266697. The next prime is 8258266759. The reversal of 8258266720 is 276628528.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2058957 + ... + 2062963.

It is an arithmetic number, because the mean of its divisors is an integer number (221951016).

Almost surely, 2^8258266720 is an apocalyptic number.

8258266720 is a gapful number since it is divisible by the number (80) 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 8258266720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10653648768).

8258266720 is an abundant number, since it is smaller than the sum of its proper divisors (13049030816).

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

8258266720 is a wasteful number, since it uses less digits than its factorization.

8258266720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5204 (or 5196 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The square root of 8258266720 is about 90875.0060247591. The cubic root of 8258266720 is about 2021.2946900567.

The spelling of 8258266720 in words is "eight billion, two hundred fifty-eight million, two hundred sixty-six thousand, seven hundred twenty".