8208061290 has 576 divisors, whose sum is σ = 27625328640. Its totient is φ = 1734670080.

The previous prime is 8208061243. The next prime is 8208061331. The reversal of 8208061290 is 921608028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 103899471 + ... + 103899549.

It is an arithmetic number, because the mean of its divisors is an integer number (47960640).

Almost surely, 2^8208061290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8208061290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13812664320).

8208061290 is an abundant number, since it is smaller than the sum of its proper divisors (19417267350).

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

8208061290 is a wasteful number, since it uses less digits than its factorization.

8208061290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 8208061290 is about 90598.3514750682. The cubic root of 8208061290 is about 2017.1902649117.

The spelling of 8208061290 in words is "eight billion, two hundred eight million, sixty-one thousand, two hundred ninety".