9807172552 has 16 divisors (see below), whose sum is σ = 18389548800. Its totient is φ = 4903292880.

The previous prime is 9807172471. The next prime is 9807172577. The reversal of 9807172552 is 2552717089.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182277 + ... + 229867.

It is an arithmetic number, because the mean of its divisors is an integer number (1149346800).

Almost surely, 2^9807172552 is an apocalyptic number.

It is an amenable number.

9807172552 is a deficient number, since it is larger than the sum of its proper divisors (8582376248).

9807172552 is a wasteful number, since it uses less digits than its factorization.

9807172552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73356 (or 73352 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 46.

The square root of 9807172552 is about 99031.1695982634. The cubic root of 9807172552 is about 2140.4969114220.

The spelling of 9807172552 in words is "nine billion, eight hundred seven million, one hundred seventy-two thousand, five hundred fifty-two".