8545770072 has 96 divisors (see below), whose sum is σ = 26496288000. Its totient is φ = 2437486272.

The previous prime is 8545770071. The next prime is 8545770109. The reversal of 8545770072 is 2700775458.

8545770072 is a `hidden beast` number, since 8 + 5 + 4 + 577 + 0 + 0 + 72 = 666.

It is a super-2 number, since 2×8545770072² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8545770071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 287743 + ... + 316049.

It is an arithmetic number, because the mean of its divisors is an integer number (276003000).

Almost surely, 2^8545770072 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 8545770072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13248144000).

8545770072 is an abundant number, since it is smaller than the sum of its proper divisors (17950517928).

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

8545770072 is a wasteful number, since it uses less digits than its factorization.

8545770072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28925 (or 28918 counting only the distinct ones).

The product of its (nonzero) digits is 548800, while the sum is 45.

The square root of 8545770072 is about 92443.3343838267. The cubic root of 8545770072 is about 2044.4840867926.

The spelling of 8545770072 in words is "eight billion, five hundred forty-five million, seven hundred seventy thousand, seventy-two".