8207990208 has 168 divisors, whose sum is σ = 25782148080. Its totient is φ = 2475970560.

The previous prime is 8207990207. The next prime is 8207990209. The reversal of 8207990208 is 8020997028.

It is an interprime number because it is at equal distance from previous prime (8207990207) and next prime (8207990209).

It is a super-4 number, since 4×8207990208⁴ (a number of 41 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8207990207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1448116 + ... + 1453772.

Almost surely, 2^8207990208 is an apocalyptic number.

8207990208 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 8207990208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12891074040).

8207990208 is an abundant number, since it is smaller than the sum of its proper divisors (17574157872).

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

8207990208 is a wasteful number, since it uses less digits than its factorization.

8207990208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5915 (or 5902 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 8207990208 is about 90597.9591823127. The cubic root of 8207990208 is about 2017.1844419235.

The spelling of 8207990208 in words is "eight billion, two hundred seven million, nine hundred ninety thousand, two hundred eight".