8102538486 has 256 divisors, whose sum is σ = 22811443200. Its totient is φ = 2078524800.

The previous prime is 8102538481. The next prime is 8102538523. The reversal of 8102538486 is 6848352018.

8102538486 is a `hidden beast` number, since 8 + 102 + 538 + 4 + 8 + 6 = 666.

It is a super-2 number, since 2×8102538486² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8102538481) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 29898531 + ... + 29898801.

It is an arithmetic number, because the mean of its divisors is an integer number (89107200).

Almost surely, 2^8102538486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8102538486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11405721600).

8102538486 is an abundant number, since it is smaller than the sum of its proper divisors (14708904714).

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

8102538486 is a wasteful number, since it uses less digits than its factorization.

8102538486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 8102538486 is about 90014.1015952501. The cubic root of 8102538486 is about 2008.5086241578.

The spelling of 8102538486 in words is "eight billion, one hundred two million, five hundred thirty-eight thousand, four hundred eighty-six".