8458856072 has 8 divisors (see below), whose sum is σ = 15860355150. Its totient is φ = 4229428032.

The previous prime is 8458856071. The next prime is 8458856089. The reversal of 8458856072 is 2706588548.

It can be written as a sum of positive squares in only one way, i.e., 8457745156 + 1110916 = 91966^2 + 1054^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×8458856072² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8458856071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528678497 + ... + 528678512.

Almost surely, 2^8458856072 is an apocalyptic number.

It is an amenable number.

8458856072 is a deficient number, since it is larger than the sum of its proper divisors (7401499078).

8458856072 is a wasteful number, since it uses less digits than its factorization.

8458856072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057357015 (or 1057357011 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 53.

The square root of 8458856072 is about 91972.0396207456. The cubic root of 8458856072 is about 2037.5293741710.

The spelling of 8458856072 in words is "eight billion, four hundred fifty-eight million, eight hundred fifty-six thousand, seventy-two".