8654909538 has 192 divisors, whose sum is σ = 20494172160. Its totient is φ = 2430933120.

The previous prime is 8654909533. The next prime is 8654909539. The reversal of 8654909538 is 8359094568.

It is a super-2 number, since 2×8654909538² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8654909531) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 68148831 + ... + 68148957.

It is an arithmetic number, because the mean of its divisors is an integer number (106740480).

Almost surely, 2^8654909538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8654909538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10247086080).

8654909538 is an abundant number, since it is smaller than the sum of its proper divisors (11839262622).

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

8654909538 is a wasteful number, since it uses less digits than its factorization.

8654909538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 57.

The square root of 8654909538 is about 93031.7662844257. The cubic root of 8654909538 is about 2053.1507795470.

The spelling of 8654909538 in words is "eight billion, six hundred fifty-four million, nine hundred nine thousand, five hundred thirty-eight".