9172080100 has 18 divisors (see below), whose sum is σ = 19903414034. Its totient is φ = 3668832000.

The previous prime is 9172080097. The next prime is 9172080101. The reversal of 9172080100 is 10802719.

It can be written as a sum of positive squares in 3 ways, for example, as 3169239616 + 6002840484 = 56296^2 + 77478^2 .

It is a super-4 number, since 4×9172080100⁴ (a number of 41 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (9172080101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45860301 + ... + 45860500.

Almost surely, 2^9172080100 is an apocalyptic number.

It is an amenable number.

9172080100 is an abundant number, since it is smaller than the sum of its proper divisors (10731333934).

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

9172080100 is a wasteful number, since it uses less digits than its factorization.

9172080100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91720815 (or 91720808 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 9172080100 is about 95770.9773365606. The cubic root of 9172080100 is about 2093.2572927220.

Adding to 9172080100 its reverse (10802719), we get a palindrome (9182882819).

The spelling of 9172080100 in words is "nine billion, one hundred seventy-two million, eighty thousand, one hundred".