8097389172 has 144 divisors (see below), whose sum is σ = 21605805312. Its totient is φ = 2553949440.

The previous prime is 8097389159. The next prime is 8097389173. The reversal of 8097389172 is 2719837908.

8097389172 is a `hidden beast` number, since 8 + 0 + 97 + 389 + 172 = 666.

It is a super-2 number, since 2×8097389172² (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 (8097389173) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13209138 + ... + 13209750.

Almost surely, 2^8097389172 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 8097389172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10802902656).

8097389172 is an abundant number, since it is smaller than the sum of its proper divisors (13508416140).

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

8097389172 is a wasteful number, since it uses less digits than its factorization.

8097389172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918 (or 913 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The square root of 8097389172 is about 89985.4942310148. The cubic root of 8097389172 is about 2008.0830524555.

The spelling of 8097389172 in words is "eight billion, ninety-seven million, three hundred eighty-nine thousand, one hundred seventy-two".