8453172108 has 24 divisors (see below), whose sum is σ = 19737518080. Its totient is φ = 2815802640.

The previous prime is 8453172059. The next prime is 8453172109. The reversal of 8453172108 is 8012713548.

It is a super-2 number, since 2×8453172108² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8453172109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221788 + ... + 257091.

Almost surely, 2^8453172108 is an apocalyptic number.

It is an amenable number.

8453172108 is an abundant number, since it is smaller than the sum of its proper divisors (11284345972).

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

8453172108 is a wasteful number, since it uses less digits than its factorization.

8453172108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480357 (or 480355 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 8453172108 is about 91941.1339281825. The cubic root of 8453172108 is about 2037.0728964273.

The spelling of 8453172108 in words is "eight billion, four hundred fifty-three million, one hundred seventy-two thousand, one hundred eight".