9172514085 has 24 divisors (see below), whose sum is σ = 17072109216. Its totient is φ = 4193148960.

The previous prime is 9172514051. The next prime is 9172514093. The reversal of 9172514085 is 5804152719.

It is not a de Polignac number, because 9172514085 - 2¹⁹ = 9171989797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6239071 + ... + 6240540.

It is an arithmetic number, because the mean of its divisors is an integer number (711337884).

Almost surely, 2^9172514085 is an apocalyptic number.

It is an amenable number.

9172514085 is a deficient number, since it is larger than the sum of its proper divisors (7899595131).

9172514085 is a wasteful number, since it uses less digits than its factorization.

9172514085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12479633 (or 12479626 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 42.

The square root of 9172514085 is about 95773.2430535794. The cubic root of 9172514085 is about 2093.2903069685.

The spelling of 9172514085 in words is "nine billion, one hundred seventy-two million, five hundred fourteen thousand, eighty-five".