8535097872 has 160 divisors (see below), whose sum is σ = 28053442560. Its totient is φ = 2433836160.

The previous prime is 8535097867. The next prime is 8535097873. The reversal of 8535097872 is 2787905358.

8535097872 is a `hidden beast` number, since 8 + 53 + 509 + 7 + 87 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (8535097873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1724233 + ... + 1729175.

It is an arithmetic number, because the mean of its divisors is an integer number (175334016).

Almost surely, 2^8535097872 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 8535097872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14026721280).

8535097872 is an abundant number, since it is smaller than the sum of its proper divisors (19518344688).

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

8535097872 is a wasteful number, since it uses less digits than its factorization.

8535097872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5538 (or 5526 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 54.

The square root of 8535097872 is about 92385.5934223513. The cubic root of 8535097872 is about 2043.6326623654.

The spelling of 8535097872 in words is "eight billion, five hundred thirty-five million, ninety-seven thousand, eight hundred seventy-two".