9896172575 has 6 divisors (see below), whose sum is σ = 12271254024. Its totient is φ = 7916938040.

The previous prime is 9896172547. The next prime is 9896172631. The reversal of 9896172575 is 5752716989.

It is not a de Polignac number, because 9896172575 - 2¹⁴ = 9896156191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 197923427 + ... + 197923476.

It is an arithmetic number, because the mean of its divisors is an integer number (2045209004).

Almost surely, 2^9896172575 is an apocalyptic number.

9896172575 is a deficient number, since it is larger than the sum of its proper divisors (2375081449).

9896172575 is a wasteful number, since it uses less digits than its factorization.

9896172575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395846913 (or 395846908 counting only the distinct ones).

The product of its digits is 9525600, while the sum is 59.

The square root of 9896172575 is about 99479.5083170398. The cubic root of 9896172575 is about 2146.9524209406.

The spelling of 9896172575 in words is "nine billion, eight hundred ninety-six million, one hundred seventy-two thousand, five hundred seventy-five".