8526986820 has 576 divisors, whose sum is σ = 32078592000. Its totient is φ = 1806520320.

The previous prime is 8526986749. The next prime is 8526986851. The reversal of 8526986820 is 286896258.

8526986820 is a `hidden beast` number, since 8 + 526 + 98 + 6 + 8 + 20 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 42849081 + ... + 42849279.

It is an arithmetic number, because the mean of its divisors is an integer number (55692000).

Almost surely, 2^8526986820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8526986820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16039296000).

8526986820 is an abundant number, since it is smaller than the sum of its proper divisors (23551605180).

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

8526986820 is a wasteful number, since it uses less digits than its factorization.

8526986820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The square root of 8526986820 is about 92341.6851698083. The cubic root of 8526986820 is about 2042.9850906312.

The spelling of 8526986820 in words is "eight billion, five hundred twenty-six million, nine hundred eighty-six thousand, eight hundred twenty".